I looked and looked and decided on this M2N-SLI Deluxe motherboard. I didnt look close enough. I read tonite where when used in SLI configuration-its only running in X8 mode. I guess my question is, Will I notice this playing games when my video cards are GF6800XTREME 256. I like FPS shooters but Im not a cutting edge gamer. I want to return and get the 590 m/b...but if I cant tell the diff...I could use this for a year or two then upgrade. So will I notice the difference ?