Ok I was using my macbook pro 2.4ghz SR model with 4gb of ram with a hitachi travelstar 7k200 as my one sole machine this past 2 days just to test out because I was going to sell my mac pro (because I thought the macbook pro could get the job done). But I was WRONG! OMG just macparing a 1080p movie just made my macbook pro just come to a hault and I couldnt even look or view webpages and that spinning beach ball just keep popping up. So that means everything I macpar something I have to wait about 20 minutes without even browsing the web!! Damn I took the mac pro for granted and will keep the mac pro forsure now and probably sell the macbook pro.