Is anyone experience display resolution problems on MBP15"I7 after OS Lion install?

I installed OS Lion on my MacBook pro 15" one week ago. I have installed the 10.7.1 update. Like many, I have experienced a dramatic slowdown in performance  - Aperture is now unusable. My most immediate problem is that the display has lost its sharpness - I have tried all the resolution options in System preferences/displays. Non of the  options available on display resolution allow the diplay to align to the screen paramenters and all leave the text and graphics slightly unfocussed. Is this a common problem, and are there solutions out there? Many thanks.

I installed OS Lion on my MacBook pro 15" one week ago. I have installed the 10.7.1 update. Like many, I have experienced a dramatic slowdown in performance  - Aperture is now unusable. My most immediate problem is that the display has lost its sharpness - I have tried all the resolution options in System preferences/displays. Non of the  options available on display resolution allow the diplay to align to the screen paramenters and all leave the text and graphics slightly unfocussed. Is this a common problem, and are there solutions out there? Many thanks.

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