I know you're sick of these questions. I have searched, but just looking for some possible experiences from people that have the low end 21 inch. I already own 8gb of RAM to upgrade it to 12 total. The things I use my computer for are: Email, web, iTunes, Outputting video to my TV (MDP to HDMI), studying/writing papers/researching, occasional video encode, streaming video encoded on the fly with Air Video and the occasional photo doctoring (nothing crazy, just touching up random photos in preview or pixelator). I realize it will probably do most of these tasks just fine. I am worried a little about the video encoding on the fly, but that's about it. I plan on keeping this for about 4 years or until I finish college. Thank you for any help or advice in advance.