More RAM is always better... It's best to watch Task Manager, and see what is going on.

I also saw this in another thread. Ninite - Install or Update Multiple Apps at Once It looks pretty sweet if your going to have to reinstall a bunch of software.

My bottleneck currently is my hard drive. I was thinking about getting a SSD to help with my PT3 database. I'm curious to see if that speeds up the lag when loading stats, graphs etc...