I have some UGC and DS cases up on Ebay starting for a penny with free shipping.

[dragonlunch]

50 Universal Game Cases:

http://cgi.ebay.com/50-Universal-Game-Cases-Hold-almost-any-type-game-/300445514622?cmd=ViewItem&pt=Video_Games_Accessories&hash=item45f3f2bb7e#ht_500wt_947

8 DS Cases:

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=300445507832&ru=http://shop.ebay.com:80/%3F_from%3DR40%26_trksid%3Dm570%26_nkw%3D300445507832%26_fvi%3D1&_rdc=1#ht_500wt_947