The Peltier cooler is the best form of processor cooling currently available. It keeps the processor at a low temperature, and since the Peltier cooler does not use moving parts, it is not subject to failure the way CPU fans are. Of course this performance comes at a cost, and these devices are more...

This is built for mini-ITX, has USB 3.0 ports on the front, and, most importantly for your needs, has dual expansion slots to accommodate a beefy dual-slot graphics card. To cool a Core i3/i5 in that small of a case, you would almost have to get something like the H50 cooler from Corsair:

I have been mulling over the idea of an ITX build for a while. I almost bit on an i3 setup but I'd like to re-use my 965 and undervolt it. This is perfect, and I guess I don't really mind the use of so-dimms. Hopefully the availability in the US is better than the last minix board. I couldn't find a...

I have a Antec 300 and love it. It's an amazing case for the price. So much room in such a small size. I can't say I have used the P180 mini but I don't care too. I am so happy with my 300.