Hi to everyone! I want to purchase a macbook to make music with ableton 8 , mastering, multiple tracks and vst's. I'm trying to decide what to buy either a 4,1 or a 7,1 . options are : macbook 4,1 : macbook 7,1 2,4 ghz(t8300) VS 2,4 ghz (p8600) 2gb ddr2 2gb ddr3 250 gb 5400rpm 250 gb gma x3100 geforce 320m ____________ _______________ 832 U.S. dollars 1,064 U.S. dollars as u see , they both have the same cpu ghz but les FSB for the 4,1 than the 7,1 and same ram memory 2gb but ddr2 on the 4,1 and ddr3 on the 7,1... the other differences are the screen on the 7,1 is better & the battery life is 10 hours. pffff... don't know if that is worth the 200$ difference on the price.... what would you do?? any producers runing ableton on a 2.4 ghz early 2008 macbook?? pls help!!