I have a late 2009 27" iMac i7 and it is loaded. I'm currently trying to sell it but here's my dilemma. Should I try to sell this mac and get a Thunderbolt with SSD iMac, or should I try to put an ssd in it myself, or should I Just be content with what i have (lol). Even though I have 8gb ram and am on an i7, I feel slowness when opening some apps. I feel an ssd would improve just about everything and make my computer one that will last me for a very long time. I do a lot of photo editing and video encoding with Final Cut, rip blurays often, so I like the cpu power. But I'm not sure if something like a new 2011 i5 w/thunderbolt and ssd would be faster than my 2009 i7 with no thunderbolt/no ssd. Maybe my i7 with ssd would be the fastest, and it would be my first preference, it's just that I'm a little timid about opening the mac up! Any advice?