Just want to quickly double check with you guys before I go ahead and buy some RAM. I have a 2.4 ghz 5,1 MBP model bought in late October (right after the unibodies came out) 2008. Anyways, both of these RAMs will work correct? http://www.crucial.com/store/mpartspecs.aspx?mtbpoid=05217C5FA5CA7304 http://eshop.macsales.com/item/Other World Computing/8566DDR3S4GP/ Also, what is the number after the "PC3" mean? ex: "PC3-8500". Can I get RAM that is "PC3 10600" or will only "PC3-8500" RAM work in my MBP?