The QBX Kaze from Cougar appears to be a rather interesting mini-ITX case. Despite the small size it offers plenty of space and flexibility on the inside and therefore you can install high-end graphics card as well as a 240mm radiator. This small cube could be perfectly suitable for HTPC builds and apart from that you could even create a very small LAN party rig. Last but not least also the price is very interesting.
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips