Need some cooling advice

G'day to all.

I'm looking for a new case to house a mid-spec gaming rig (2500k (maybe OC w/ 212+), 6950) and I have some questions for a case gurus out there.

I really love the Bitfenix Shinobi - 3 inlet fan ports (front, bottom) and 3 rear (rear, top)
http://www.pccasegear.com/index.php?main_page=product_i...
But I'm not sure if I could keep the temps under control, as it does not have a fan port on the side.

If I only had two fans (rear and top) and NOT overclock, would this be ample cooling for gaming?

If I had fans installed on all possible mounts, would I be able to keep a cool overclock?

Please share any thoughts/better fan setups.