Doesn't look too bad. Kinda bland at the top with a lot of extra space. Maybe a large-width banner would suit?
Also, I think a dark black and green theme would fit well for a Matrix Message Board. Nothing too dark or too bright, but subtle. Here is a Matrix Board that pulls off the dark scheme pretty well:
http://www.nightly.net/cgi-bin/ultim...4;DaysPrune=30
Also, what's your secret to getting 'tons of hits'?