I've got a MacBook Alumium 2008 and I'm running Mountain Lion on it. It runs perfect! Only problem I have, NOT concerning the OS X, is that I'm a Master student so I need a strong laptop (PS: I don't like Microsoft based pc's, due to bad experiences) so I'd like to upgrade my 2GB (2x1GB) RAM memory up to it's max. I'd hope for a 8GB RAM (2x4GB) but after contacting some Apple Premium Resellers who've told me that I can only go up to 4GB (2x2GB) for 100 (I live in Belgium). After spotting this forum, I've noticed some of you have the same MacBook as I do, with 8GB RAM memory, so it seems possible (See other MacBook 2008 Alu thread about OS X ML). My question is, IS IT? Because 200 is a lot of money for a non-working upgrade. Thank you for reading, hope to get replies soon. BelgianThunder PS: What's the great advantage of a SSD? PS2: Where can I purchase memory?