Sleeve - http://www.amazon.com/Case-Logic-LA...8&qid=1352144003&sr=8-9&keywords=macbook+case
Hard shell case - http://www.amazon.com/mCover®-regul...&qid=1352144046&sr=1-11&keywords=macbook+case (I really love my hardshell case, protected me from 2 accidents now)
Stand (this one is a cheap version, but I really like it) - http://www.amazon.com/ENHANCE-ErgoP...&qid=1352144102&sr=1-9&keywords=macbook+stand
Thunderbolts to hdmi cable (great for watching movies on my hdtv) - http://www.amazon.com/Mini-DisplayP...id=1352144162&sr=1-2&keywords=mini+dp+to+hdmi
Cooling pad (if im not using my stand, also yes I know it will probably break in like 5 months or so lol), for $2 it's a must buy - http://www.amazon.com/SANOXY-Laptop...8&qid=1352144207&sr=1-10&keywords=cooling+pad
Wireless mouse (the trackpad annoys me when I'm using photoshop), I picked up this mouse for $6 - http://www.amazon.com/Wireless-Opti...&ie=UTF8&qid=1352144277&sr=1-8&keywords=mouse
Thats all I can think of for now