I have been testing this chip the last 2 days. I'm using a stock Intel HSF for now. Asus Maximus Formula SE 401 bios. 505 wont post with this chip. I'm also stuck on the 8 multi. Not the 8.5 this chip is rated at. So. 2.66 instead of 2.83. Some stock benchmarks:
http://www.weescott.co.uk/images/intel/Q9550.jpg
http://www.weescott.co.uk/images/intel/Q9550PI.jpg
13k in 3Dmark 06 with an 8800GTX:
http://service.futuremark.com/compare?3dm06=3521247
http://www.weescott.co.uk/images/intel/Q9550_winrar.jpg
http://www.weescott.co.uk/images/int...draMM_test.jpg
http://www.weescott.co.uk/images/intel/cinebench.jpg
http://www.weescott.co.uk/images/int...arMC_Stock.jpg
After a little bit of tweaking in the bios:
http://www.weescott.co.uk/images/intel/12_5.jpg
This chip is looking promising.