For those have received their 2010's and still have an '09 or '08, how do you feel the screen compares, brightness/contrast and color wise? I've read two complaints, one a 15" and one a 17" that they aren't as bright. I'm a little concerned because I think my '08 looks great and I'd hate to be getting a worse screen. Please post your thoughts everyone! (13",15" and 17" welcome)