I have a Core 2 duo e6750 @2.66Ghz, with Gigabyte G41M Combo Mobo. Currently DDR2 667Mhz 2GB Ram installed. According to specs by Gigabyte I can use the DDR3 1333 to upgrade. SInce I may be upgrading the cpu and motherboard in next 6 months or so, I was wondering if I could now buy the DDR3...