Summary: I have p6t delux as well as this one. Rampage seems allowing me to OC a little bit more than p6t, if any meaningful speed, and of course it uses more expensive heatsinks and better looking and lightening. However, the temperatures of NB and SB in p6t are just mildly warm even OC i7 920 to 4.0GHz. There are no temp. probes for NB and SB in p6t. But I could touch it. In Rampage, both temp.