Student.Java

Ok guys, do your worst.
As some of you may recognize, the site uses drupal as its CMS. A lot of work as been done to improve the base installation. Users can create pages and submit them to be included in the site.
Still working on adding more content but its getting bigger every day.
The theme is a little dull I think, but Ive done so much working messing with the template and the CSS that I wouldn't want to repeat, unless you think the theme is really horrible.
Oh, yea, and its a community site for students learning java. There are a few people in my class that will be contributing some articles soon, so more content should be showing up within the next few days.
Thanks in advance!

Positive:
Main content section very nice, top bit nice, header simple but effective.
Negative:
The sidebar does not look right, it looks too cluttered for me personally.

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Thanks! I can see what you mean about the sidebar, I'll try to work on spacing out the blocks a little, and possible adding borders. That might make it look a little nicer.