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I've gotten past those minor issues.

"Some elements look blurry sometimes"

vs

"My photos and videos look awesome, and I can work at 1920x1200 on a 4.6lb laptop. Oh, and play games on the road at reasonably good framerates, on a 4.6lb laptop!"

This is my favorite thing about the rMBP--the photos--simply stunning!:)
 
Yes but I wanted just to ask you WHY. Is this normal? Everyone claims this is the best computer Apple ever made. I do not understand why.

The text issue is not Apple based. It's non-optimized web pages from developers that haven't switched over yet.
 
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