Recently picked up the Kensington Sleeve at Amazon. It's around $5 and fits the iPad2 like a glove. No metal, so you don't have to worry about scratching. Great deal for those that don't want to spend big bucks on a case.
http://www.amazon.com/Kensington-K62911US-Reversible-Sleeve-Netbooks/dp/B001WAK6H4/
Here's a video review:
http://www.youtube.com/watch?v=E_xdm9CHyZI
http://www.amazon.com/Kensington-K62911US-Reversible-Sleeve-Netbooks/dp/B001WAK6H4/
Here's a video review:
http://www.youtube.com/watch?v=E_xdm9CHyZI