Matt,
I have my color settings to the grey/burgunady (i think it might be called bob's fav or matt's fav) but the homepage looks like crap when I go there.
The center 'search' box remains yellow and really looks bad. I'm not sure if it stays yellow regardless of color settings or if it is just that way on mine, but it could be improved aesthetically to match the user set color settings.
Also, while I am in the suggesting sort of mood. At the top of every page in the tool/link bar there is a button for 'home'. I would suggest possibly removing that button and making the logo in the upper corner active as a link to home. The logo should be a link to home regardless, but it would free up one button on the top for future expansion. ie my classified ad board, ha ha ha.