Welcome to the PCGuide forums. I have split and moved your post since it is nearly always best to not piggy-back an existing thread. If you want to quote another thread then just link to it.
BSODs during a clean install are likely to be incompatible hardware (did you check with MS) or incorrect drivers. Flaky memory is possible but usually doesn't prove to be the case.
There's quite a bit on Google that you might like to plough through.