Ok so i would like to know what the largest size sdd dive i can put in my original macbook as well as know how to update to mountain liion? I am running 10.4.11 and want to upgrade to the latest. I am a new mac user and am wanting to upgrade the mackbook i bought as far as it can stretfch. Any good ideas of where and whichdrive i should purchase that would be best? wanting to do solid state and have already ordered me 2x 1gb mem cards. Any other upgrades anyone can reccomend?