Smashing magazine is a weblog dedicated to web-developers and designers. Its great because of its overview of interesting stuff for each month. Their published content is a must read if you want to become a good web developer or a designer that follows web design trends.
Pushing-pixels by Kirill Grouchnikov is a dynamic blog on GUIs with a special attention to swing. It has weekly digest on popular swing links and is good place to start when searching for news in that field.