Well. I'm a pure mac fan. If I have my way, I'm never getting a PC. So I'm going to add my comments.
- The three buttons are a roll over and have the X - + signs, so that would be a nice addition.
- If you could get the yellow button to be the "collapse", that would be awesome!
- What's Going On shouldn't be white, too hard to read.
- The roll over color for the forums shouldn't be yellow, hard to read.
- The forum markers aren't really fitting into the "mac" theme. IMHO!
- The mac Buttons (where you have them flat than rounded on one end) are a round all over...
Other than that, well done! I really like the style!