well, belkin makes good bags. i use a backpack they made for my laptop.

p.s. if you want to save some hard earned cash, the coupon code "12345" will save 50% off of anything. my backpack should have cost $70, but $35 was okay with me :P
MacBook 2GHz Intel Core 2 Duo w/ 2GB DDR2 RAM & 120GB SATA 5400RPM HDD
Canon Rebel XTI
Google Cr-48 Beta Laptop