Tim Fanelli's blog on Java
If your a Java developer you may be interested in a good friend of mine's new blog: Tim Fanelli's Development Blog. I worked with Tim on several project's when I was at Clarkson University, he is one of the best developers I have ever worked with. Tim is currently at Clarkson and is finishing up his masters, and starting his Doctorate next semester.
Update 2019: I removed the link to his blog because it was no longer working.