Hey, I'm new here. I have a RAM questions. I am running Pro Tools LE 8.0.3 on my macbook. It has 4 gigs of ram and a 2.4 processor. I am currently running into the problem of CPU shortage while recording and mixing even when all my buffer speeds and stuff are set to the highest. I am looking to get an iMac for recording only. I will basically only run Pro Tools and the internet on that machine. I am looking at the 21.5 in with 4 gigs of RAM and 3.06 processor. Is upgrading to 8 gigs of RAM worth the $200? Will I see a whole new world with it or should I be fine with 4 gigs. My processor will be a huge upgrade from what i have now. Any help is greatly appreciated. Thanks.