Wow, looks great! Yeah, you'll have to do something about that PSU being down there if you ever want to use those Zorro slots, LOL.
You might check out some of the photos from this thread for ideas (I realize it's only a 3000D motherboard not a 3000T, but still a really clean install):
http://www.amibay.com/showthread.php?t=47425Good luck finishing her up!