I bought one of the older 74GB Raptors and it seems fine, but there are annoyances.
1. It's awefully loud. I know how a bad/dying hard drive sounds and this ain't like that. It's loud when "thinking". Especially when I'm installing something or running updates. Maybe newer Raptors are quiter?
2. In Vista I only get a score of 5.6 for it. I just thought that 10K rpm drives would all be the same, but my buddy's 150GB raptor gets a 5.9. My hard drive is the only thing less than 5.9
3. It's filling up awefully fast. I just set it up this morning and it's already half full. I had had my photos and music (19GB total) on there too, but since added a secondary 1TB drive to hold those. I made "Program Files" folders for x86 and x64 for my larger programs to run off my 1TB drive. I'll use the raptor for just Windows and Anti-Virus.