2 GB RAM

Got myself 2 GB of Transcend RAM. And when I plugged it in...

... it didn't work! Drove me crazy for a while and I had to wander around various bulletin boards for overclockers to figure out what I was doing wrong. To cut a long story short, http://www.pcstats.com/NewsView.cfm?NewsID=51110

CPC (command per clock) needs to be disabled, plug in the DIMMs into the orange slots to get the dual channel working, and voila! Done.

For the curious, I have a DFI LanParty UT NF4 Ultra-D board and an Opteron 165 running at 2.4GHz. The 7900GT helps. I'm all set for Vista's release!