take at look at the hardcore zeovit setups from their forum:
http://www.zeovit.com/forums/forumdisplay.php?f=88
Some I have to say are super nice but again, based on people with time and money.
Look at the famous, reef in the sky tank owned by a pilot in Hong Kong... think tank was made in Toronto..... sickly nice sump as well.
msjboy