i have just noticed the trackpad isnt working right, i move my finger along, adn the cursor stops - os its lost its responsiveness.. Is this a problem with the age of the trackpad or software? i suspect its a hardware problem, so, is it possible to replace the trackpad? is it very difficult? I have only dismantled 3-4 ipod videos before, i suspect its easy to mess it up! I just fancy £1.5k on a new mbp!