Well you guessed my first 2. There's Newegg, tigerdirectblog, motherboardsorg, HiTechLegion, custompcreview, HardwareCanucks, and that's about all (I can think of).
TimeToLiveCustoms is by far my favorite.
Try LinusTechTips. Great unboxings, then sub to his NCIXcom channel which has bench results and such from products he unboxed.