I figured it would be better to have all reviews in one place so people don't start topic after topic, as the reviews come out Admin or Moderators can add them to the list.

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NVIDIA GTX 280/260

• Guru 3d - (GTX 280)
  
• Overclockers Club - (GTX 280)
• Maximum PC - (GTX 280)
  
• HardOCP - (BOTH)
  
• AnandTech - (BOTH)
  
• ExtremeTech - (BOTH)
  
• PC Perspective - (BOTH)
• Tom's Hardware - (BOTH)
• TweakTown - (Both)
  
• TweakTown - (XFX GeForce GTX 280 XXX Edition)
  
• TechGage - (280)
  

ATI 4850/4870

• OverClockersclub - (4870)
  
• HardWare.Fr - (4850)
  
• Tom's Hardware - (4850, 4870)
  
• Guru 3D - (4850)
  
• Anandtech - (Both)
  
• HardForum - (Both)
  
• LegionHardware - (4850)
  
• Overclockersclub - (4850)
  
• ExPreview - (4870, Note: This is A translated Page)
  
• HotHardware - (Both)
  
• Bjorn3d - (Both)
  
• Rage3d - (Both)
  
• TweakTown - (4870 In Crossfire)
  
• PC Perspective - (Both)
  
• Tech Report - (Both)
  
• MotherBoards - (Both)
  
• TechSpot - (4850)
  
• TweakTown - (Four 4850's In Crossfire X)
  
• TechARP - (4870)
  
• Legit Reviews - (4870 Crossfire)
  
• TBreak - (4850 Crossfire)
  
• Rage 3D - (4850 DX10 Only)
  
• TweakTown - (4870 In Crossfire X)
  
• Tech Gage - (4850)
  
• Neo Seeker - (4850)
  
• Hardware Secrets - (4850)
  
• Rage 3D - (4850 DX9)
  
• Boot Daily - (4870 Crossfire)
  
• RBMODS - (4850)
  

ATI Radeon 4870 X2

• Hexus
• Tech Report
• HotHardware
• Tech Power Up
• Tech Gage
• Tweak Town
• PC Perspective
• Driver Heaven
• Hardware Canucks
• Guru 3D
• Extreme Tech
• OverClockersClub
• TomsHardware
• Mad Shrimp
• NeoSeeker
• AnandTech

NVIDIA 9800GTX+

• AnandTech
• Guru3d
• Legit Reviews
• Firingsquad

Pretty much already had reviews in one place if you look at the front page:

Hardware Roundup: ATI Radeon HD 4850 Edition
Hardware Roundup: NVIDIA GTX 280 Edition
Hardware Roundup: NVIDIA GTX 280 Edition - Part 2

We've also been posting other reviews as they came in:
XFX GeForce GTX 280 XXX Edition @ TweakTown
NVIDIA 9800 GTX+ The plus means better! @ Bjorn3d
Diamond ATI Radeon HD4850 Review @ mothernoards.org
Asus Extreme Radeon HD 4850 review @ TechSpot
Four Radeon HD 4850s In CrossfireX @ TweakTown
Overclocking The NVIDIA GeForce 9800 GTX+ Video Card @ Legit Reviews
NVIDIA GeForce 9800 GTX+ 512MB Preview - G92b at 55nm @ PC Perspective
NVIDIA Launches The GeForce 9800 GTX+ @ Tech ARP
Intel P45 Vs. X48 Crossfire Performance @ TweakTown
AMD Radeon HD 4850 512MB Preview - RV770 Discovered @ PC Perspective
Radeon HD 4850 In Crossfire at 4GHz @ TweakTown
How NVIDIA Stuffed the GTX 280 @ TweakTown
EVGA GeForce GTX 280 1GB FTW Edition @ motherboards.org
The ATI Radeon HD 4870 Is Prepped For Launch @ Tech ARP

Yes, but not on the forum where people can reply/comment.

There - a few more for your list

Ill so have to add those tommorow..

Topic pinned

More recent reviews:
XFX GeForce GTX 260 XXX Edition @ TweakTown
ATI Radeon HD 4850 and 4870: RV770 Has Arrived @ HotHardware
The Radeon HD 4800 @ Bjorn3D

Edit: More reviews are out this morning:
ATi RV770 - Architecture Overview @ Rage3D.com
Sapphire Radeon HD 4870 in Crossfire @ TweakTown
AMD Radeon HD 4870 and HD 4850 Review - Mid-range GPU mix up @ PC Perspective
AMD's Radeon HD 4870 graphics processor @ The Tech Report

I made some changes. The 4870 is an amazing card by all accounts, especially for the price of 310 USD ish, if your looking for a new GPU, and have the option to buy one, jump on it now.

Unless, of course your waiting on an 4870 X2, like so many of us are..

Maybe there should be a little section for the 9800GTX+ that Nvidia is putting out to compete with the 4850.

Looks to be a close match!
Nvidia 9800GTX+ Preview @ Bjorn3d.com

Wow that 9800GTX+ looks pretty good, if only nvidia would allow intel to make chipsets for SLI

Another 4870 review: HIS Radeon HD 4870 CrossFire Video Card Review @ Legit Reviews

Added.

More:
AMD 4850 Single/Crossfire @ t-break
ATi HD 4850 Single Card DX10 Tests @ Rage3D

Added.

And the hits just keeping coming:

Sapphire HD4850 Review @ OCC
Radeon HD 4870 In CrossfireX at 4GHz @ TweakTown
ASUS EAH4850 512MB @ Techgage
VisionTek HD4850 @ Neoseeker

Why did OCC review another 4850 and not the 4870?

I think I will limit the reviews to one card (Or at least one type of setup) per site, so I won't put the 4850 Back up Again for OCC, But I will add the others...

Edit: Added..

Because we got the 4850's before we got the 4870.

The launch day were not the same which added a whole set off issues to this problem

But the 4870 review will be out by midnight right?

Cause, I really need to see that.

Alan is working on finishing it today. If it is done it will be launched tonight as planned.

Oh, thank you so much..

Added some for GTX+

Sapphire HD 4850 Video Card Review @ Hardware Secrets (since you didn't want to post the OCC review )
ATi HD 4850 Single Card DX9 Tests @ Rage3D
Sapphire Radeon HD 4870 in CrossFire @ Bootdaily

Added, still waiting on OCC's review.

OCC review for 4870 Added.

If I wasn't waiting on the X2... If only..

Does anyone know if the 1gb version of the 4870 is going to offer any more performance? If so, when its due out?

Another HD 4850 review:
Visiontek 4850 @ Bjorn3D

Bjorn3D Already did a review with both cards... :/

Anything special about the review? Maybe crossfire or only DX9/DX10 games/Tests?

I just got 2 Asus Radeon 4850s. They are awesome! I will post some benchmarks next week when I have time to do so.

I've been a little lax in posting reviews to this thread and thought I'd catch up a bit, especially since we're seeing some early looks at the HD 4870 X2 cards:

AMD Radeon HD 4870 X2 1GB Preview - R700 a bit early @ PC Perspective
An early peek at the Radeon HD 4870 X2 @ Tech Report

Visiontek Radeon HD 4850 Videocard @ RBMods
Palit GeForce GTX 280 1GB @ Techgage
Visiontek ATI Radeon HD4870 512MB GDDR5 PCI Express Video Card @ motherboards.org
Diamond Radeon HD 4870 @ Neoseeker
HIS HD 4870 512MB GDDR5 Video Card @ 3dGameMan

AMD ATI Radeon HD 4870 X2 Preview @ [H]ardOCP
ATI Radeon HD 4870 X2 Graphics Card Preview @ Legit Reviews
Leadtek WinFast GTX 280 @ Bjorn3D

You don't need to wait for me to add reviews ("reviews" Not Previews) can't you edit my posts? Im not always on..

At any rate, if you can't edit my posts all add the missing reviews soon.

No, I can't edit your posts, sorry.

Leadtek Winfast GTX-260 @ Bjorn3D

XFX GeForce GTX260 XXX Edition Video Card @ motherboards.org
Palit GeForce GTX 280 @ motherboards.org
Visiontek HD4870 VGA @ Overclocker Cafe
Preview of the AMD HD4870X2 @ Bjorn3D

I just added a Bunch of 4870 X2 reviews.

Anyone want to buy my 2900XT?

For a dollar?

Do that 100 times and you can have it.

I perfer an X2.

A couple not in your list:
ATI HD4870X2 vs NVIDIA GTX 280 - High-End VGA Comparison @ Madshrimps
Double the fast: Palit HD 4870 X2 @ Neoseeker

Added

Damn that paints the X2 as a monster of a card.

Two more reviews of the HD 4870 X2:

Palit Radeon 4870 X2 CrossFire Video Card @ Legit Reviews
Palit Radeon HD 4870 X2 Video Card @ motherboards.org

And a couple others just for kicks:
GIGABYTE GeForce GTX 260 Graphics Card @ TweakTown
Sapphire Toxic HD 4850 @ Bjorn3D