The first items from the new "Retro" line of TMNT merchandising is beginning to hit stores.
HotTopic now has the Bebop and Rocksteady t-shirt pictured to the left (top), as well as new hats and wrist bands. You can see all of HotTopic's TMNT merchandise here.
Urban Outfitters also has a couple t-shirt designs, the best being the "Say YES to Pizza, Say NO to Drugs" shirt (bottom left). There is also a women's tee.
80sTees.com is also featuring some new t-shirt designs.