How much can you spend on wheels, man?
Looks like a decent Stans rim / DT spokes wheel can be built around $300-400 @ UnivCyc
If you're not going all gnarly...a Stans tubeless setup with a standard 29'er Nevegal non-tubeless tire will shed some weight and decrease rolling resistance. As big as you are though...you may fall into the tubeless pitfalls of burping air. I've rolled tubed tires off rims...let alone a tubeless tire at 25psi.
Last edited by ed; 03-04-10 at 03:35 PM.