In our earlier DDR2 motherboard comparison, we found that features, not raw performance, mark the big improvements of Intel's X38 Express chipset compared to the previous P35. Can DDR3 further its improvements?
http://www.tomshardware.com/2007/11/26/x38_comparison_part2/index.html
http://www.tomshardware.com/2007/11/26/x38_comparison_part2/index.html