Thought I would share my links and let others post theirs as well.
For Price comparing:
www.pricewatch.com
www.pricegrabber.com
zdnetshopper.cnet.com
Deal Forums:
anandtech hot deals forum
www.fatwallet.com
these are kind of hairy. I usually dont want to mess with mail in rebates or anything. But some awesome deals can be found.
And finally the rating of resellers to make sure those websites are legit.
http://www.resellerratings.com/
After all that I usually just end up buying from newegg.com