If you are looking for protection for your new iPad 2 that can be used with Apple Smart Case, Fabrix may have a solution for you with their sleeves.
http://www.fabrixcases.com/products/ipad-2
Cindy Downes reviewed their sleeve last year which can be found in the below link.
http://www.iphonelife.com/blog/2884/fabrix-sleeve-ipad-good-first-case-im-looking-more
These sleeves are compatible with both iPad versions.
You can also check out my past Fabrix Bookle
