at least once? I have the same laptop and replaced the battery last year and also upgraded to a SSD. This made my old 2ghz C2D just as fast in everyday tasks a

at least once? I have the same laptop and replaced the battery last year and also upgraded to a SSD. This made my old 2ghz C2D just as fast in everyday tasks at the i5 air I got from work. in other news I just ordered a new MBP Retina to replace it :)