I know that many of you have high quality cases for your Notes, but if you're looking for an el cheapo 2nd case, you may want to try this nylon case. It's only $0.99:
http://www.ebay.com/itm/Nylon-Black-Leather-Case-Pouch-Sleeve-Samsung-Galaxy-Note-i9220-N7000-/160700069388?pt=LH_DefaultDomain_0&hash=item256a78760c
I bought it myself, and it's actually not too shabby for a buck (including shipping).
http://www.ebay.com/itm/Nylon-Black-Leather-Case-Pouch-Sleeve-Samsung-Galaxy-Note-i9220-N7000-/160700069388?pt=LH_DefaultDomain_0&hash=item256a78760c
I bought it myself, and it's actually not too shabby for a buck (including shipping).