If I may comment about it, you are certainly showing a lot of restraint, Keysplayr. Doing the benches correctly will no doubt help in your "credibility" woes (if that is the right term; I am a non-native English speaker) as I often see people jumping you for being a "fermi fan" or some such nonsense.
And while I understand your concern or motivation to do this right, I hope you are also expecting that unless your bench results show the 5870 beating the GTX285 (or GTX470? what are you testing again?) all the time and with power to spare, I doubt that those who normally jump you will refrain from jumping at you. You can't please everyone, after all.
I am interested in your results, how long do you think this will take? 2-3 days maybe? Maybe longer, I assume you also have a real career outside of this hobby? (Unless it is your job to review hardware). I am still using a 4770, so I am currently in the position of "upgradeable", and I am of neutral color (I had an 8600GTS before my 4770, that card was hated by most but it served me well, anyway), and am in no hurry to upgrade.