So I recently picked up the top of the line 27" iMac. However I am currently having buyers remorse and need you to sway me! The computer will be used for Photoshop, final cut and some very very light gaming. My wife plans to start a photography/videography business and I'm wondering..... Would the i7 and 4gb graphics card be a vast improvement? I know the SSD obviously would. But not being into photography and photoshop I really don't know what to expect. Thanks!