Hello, My macbook is now around 2 years old going on 3 years coming this feb., so I am wondering what I should do with it keep or sell upgrade ect..? My specs are as follows 2.4 ghz intel core 2 duo 2gb 667 mhz ddr2 sdram 150gb HD Mac os 10.5.8 The battery still is excellent and besides that just gets hot after using for excess time which is normal. so do i just upgrade this system or sell it buy new? Also is there a cleaning guide for the keyboard/palm rest area? and thank you for your input it means a great deal to me ! Glad there is a community out there like this one!