IMO, the only way to make money day trading (or short-term trading) is to monitor every bit of info you can get your hands on every waking hour of the day. Some people have the ability to do that; I don't.
Don't limit yourself to the tech sector. There are tons of good buys out there in more traditional industries.
One of my favorite sites for this stuff is
http://www.fool.com . Lots of useful info.