Asus P5B and Cammando Series:
http://event.asus.com/mb/45nm/
Gigabyte GA-965P-DS3 Rev. 3.3
http://www.silentpcreview.com/article752-page1.html
With a little oc and a Bios update P965 chipsets are good to go with the New Penryns.
It also depends if the motherboard brand makes an update with their P965 boards.