I have found the backlight colors to be rasther irrelevant, since I only use one profile per' game. So, switching between thew backlights would screw up the control schema I got set up.
Yes, quite easy and intuitive, especially with the beta SST-software I'm using
Again, quite easy and handy to have around.
I agree with the first point: shifting the control unit to the right side of the keyboard effectively removes the use of the minijoystick and two buttons.
O', come one: it's not that short! Okay, if I didn't my computer next to my screen it might actually be an issue. Also USB-hubs are pretty much a necessity these days, if you are going to accessorise.
Profile Startup has been added to the beta, which is quite stable, so no more problems with that.
Um...what kind of a "click" are you looking for? Granted I'm used to using M$ ergonomic keyboards, so there's not much of a "click"-value to be had anyway, but I can definitely feel when I push a button on the command unit. Also, there's a corresponding in-game action / animation / sound to tell me if something happened. Hardly an issue.