Hi. I have an early 2008 macbook with 2gb of RAM running 10.5.8 OS. I can upgrade to Snow Leopard easy enough, but I was wondering if anyone can recommend any UK resources for upgrading the RAM - apparently I can go up to 4GB, but I don't know where/how to get this done, or if it's something easy enough to do oneself (does it need to be a specific type of RAM stick?!). I'm sure I can google some stuff, but any personal recommendations would be appreciated. Thanks.