AnandTech - is a good site for computer enthusiast.
Tom's Hardware - This is another computer site. This is mainly into reviews.
Fattwallet - This site has some unbelievable information. You have to look in the forums section.
Tech Bargains - This site is dedicated to mainly computers and electronics.
Slick Deals - Almost he same as Tech Bargains.
Pricewatch - If your looking for a price look hear. If you buy from one of these places you must research them first.