AN35N boards own. I have 3 of em.
DON'T get a 2400+. Get a Barton 2500+ and you can OC it to a 3200+ usually with even stock cooling. I don't have any experience with the mobiles...but they are supposed to run nicely so it wouldn't be a bad idea to try it.
Get all your stuff from
http://www.newegg.com. They kick ass.