Someone mentioned that they were probably going to update their PC, thought I'd share what few links I know for anyone else thinking about it.
http://www.reddit.com/r/buildapc Lots of helpful people to answer your questions.
http://pcpartpicker.com/ Easy way to compare prices/vendors and setups.
http://www.reddit.com/r/battlestations If you just like looking at cool setups.
Flexo mentioned something else, but I don't remember the url.