I recently did a Clean Reinstall with the Windows 7 update disk (the only one I have); it went fine.
The only problem I have is that since last month when I replaced my "C" drive (a Western Digital Raptor) with a SanDisk Extreme SSD, I occasionally get dumps, which take about 60-80 seconds to complete, but locks me out from doing anything while the dump takes place.
For what it is worth, I recently had a complete system lockout (could not even boot up in safe mode) and took it to local repair person. He removed all the hardware, tried to boot with one of his test drives, and got the same result. So he reset the BIOS and it booted fine. He then installed one device (starting with C, the SSD) at a time, an, with the exception of the occasional dumps, works like a charm.