The HotHardware guys are comparing two boards based on the Intel P3x chipset series today. They've got the ECS P35T-A, which runs on the P35 Express, & the Gigabyte GA-P31-DS3L, which runs on the P31 Express.

"Today at HotHardware, we have looked at two affordably priced Core 2 platforms based on the Intel P3x series chipset, to see if there were any major differences in terms of performance, features, and overclockability between the two."