Greetings, I just had my MacBook Pro crap out. Its sad, but I am due for an upgrade. Long story short I am stuck between the $1,800 & $2,200 models. I'll be doing a lot of office work, ingesting video (mostly from canon's), limited basic fcp editing and limited basic Photoshop editing. I'm part of a two man production company, so random task are part of life. The key differences for me between these models is the -512mb vs 1gb video car -2.3 ghz vs 2.6 ghz processor Is the $400 price difference worthwhile in my case or will these be noticable upgrades a year down the road?