The poor bugger was struggling under the strain of my iTunes catalogue so I spent the weekend moving it all across to an external HD, freeing up 40GB of my hard drive (much better than the poor 4GB that I had free before) I have a Powerbook G4 Aluminium 12" (1.5 GHz). 512 MB Memory and am still running Mac OS X 10.4.11 until I can get a copy to upgrade. Can anyone suggest what other upgrading I can do? Obviously I would love a new laptop but I spent enough on this once back in 2005 that I'd like to keep it alive a few years more. Is there much of a difference when replacing the memory to 1GB? My Applecare ran out last year and the guys at the shop cheekily replaced my speakers, subwoofer and screen for me so I could get the most out of the package (even though there wasn't much wrong with them) but I AM finding that, just with a lot of users, my PB heats up a lot (very quickly and very noisily). I use a stand to help it breathe which HAS helped but wondered about the pro's and con's of taking it apart and blasting the fans with my air compressor. Basically, I guess I'm asking for advice on PB maintenance so I can keep it going for as long as possible. I'm not afraid to take it apart myself and replace bits and pieces as I've just had to do the same thing with my laptop.