My apologies if this should be in the General Hardware forum. Mods, please move if necessary.
Will upgrading my rig from a Asrock 939 Dual-Sata II w/a X2 3800+ to a P35 mobo (eg, Gigabyte GA-P35-DS3/4 or Asus P5K Deluxe) w/an E6600 be a significant upgrade for me in terms of performance...