I'd be thinking a dual rad on the side too, but I'm not sure if the rad + fan would be too thick to fit. Might hit either the expansion slots or the motherboard peripherals. Hard to tell with the photos they provide.
Should be a good-looking setup when you're done!
__________________ i7 920 | Foxconn Bloodrage | GTX280 | Corsair DDR3-1600 2x3GB |