besides the main sites mentioned (slashdot, anandtech, hardocp, and newegg),
i'll mention
http://www.tech-report.com (reviews/news)
http://www.aceshardware.com (very technical in depth articles)
http://www.rojakpot.com (everything you ever wanted to know about your bios)
http://www.theinquirer.net (tabloid tech news)
and just so to prove that you can't take computer issues seriously all the time
http://www.bbspot.com
enjoy