Best bag for carrying a Mac laptop while riding a bike?

Update (5/7/08): Flickr Group

Based on the popularity of this post, Byron created a bike bags Flickr group. Pop in and upload photos of your setup–if you’re inclined, write a few words describing it and why it works for you (if you don’t have a Flickr account, you can sign up for free to share your photos). Byron loaded the Hugga Bag and has photos of the Raygun coming….