After a quick google of both cpu's I think you should stay with what you have, the intel is faster for some programs you may run, then again I don't know what you use your pc for, there are a lot of comparsions on line .The 1700x would give you a much better improvment, but you have to add in the cost of a new mb also with either of the cpu's you choose.
Hey there, that mb has an 8 pin cpu plug,your power supply should have a 8 pin plug with black and yellow wires on it, the 6 pin connectors are usually for the video cards, use the 8 pin from the power supply , it only goes on one way if you look at the clip.
Before you do anything I'd put a multi meter on your psu cables and main mb connector and see if it's overvolting the usb ports or dvd burner. NO WAY a data disk or data flash drive would do that, it has to be a voltage overload.
It's been a while since I've oc'ed an amd but I do remember raising the fsb at least 15 or 20 with no problems with the memory running faster, just make sure to keep an eye on your temps when running a load and you should be fine, they are great oc'ers.