I was looking at getting a MacBook. I have an X31 which works alright, but it is slow, and I'd like to get a Mac again. I was going to get a new one, but then looked on eBay (and here) and noticed you can get older ones for a lot cheaper. My only real concern is the speed differences between the different Core 2 Duo's (I don't want a core duo because I want to put 4 gbs in, I know that half of them can only accept 3.25 max, but I'm okay wiht that.) I know GHz wise there isn't a big difference unless you get an absolutely new one, but I was wondering what internal enhancements. Apple is no help since most of their tests aren't real world, they make up the results for the new one, or they base it against the original Core Duo MB. I also would like to get something which either has AppleCare already, or which I can get AppleCare on. Thanks.