ExtremeTech writes: "When you decide on your next major motherboard purchase, one of the considerations to is memory: Do you go with newer, faster, DDR3 of the future, or DDR2, the old standby? Of course, this means different boards, different features, different chipsets, and so on.
Gigabyte has a pair of boards, the X48-DQ6 and the X48T-DQ6 that are basically identical. In fact, they are totally identical except for one thing: the memory support. The former is a DDR2 board, and comes to market about $30 less than the latter, a $330 DDR3 board."