The parts were originally bought for a hackintosh build (for video editing), and it was my first time putting one together. Instead of trying to figure which parts go with which, I figured I'd stay safe and simply copy the build from:
However, once I had everything up and running, I didn't like using a mac on a PC, so I switched back to Windows 7. I know I should have gotten better parts, but maybe I'll swap the parts when prices go down.
Sandisk 240GB: OS + installed programs
OCZ Vertex 4 128: scratch + cache
WD Caviar Black 1TB: media storage
Edit: Wow. I didn't think people were actually going to look at this and comment, but just to clear things with the RAM... I'm temporarily using 16GB from my old computer and waiting for the 32GB or 64GB to go on sale.