Leather Rolling Backpack

I want to find a backpack on wheels Nice / laptop case which is between $ 30 - $ 60, and it is preferable to leather. I know that leather is more expensive, but it need not be branded or fancy or anything. Preferably orange or brown leather. Any ideas of where to find something like that?

Idea here:
Go to http://www.ebay.com . Just click with keywork search "laptop bag, laptop case". You will get results very well with all types you like.

I alway buy the piece on ebay and I see many laptop bag.

www.ebags.com