Thought it would be fun to see what's available, a quick search turned up these.
Please note, we have NO AFFILIATION with any other NOBama website:
http://www.cafepress.com/buy/anti-obama/-/go_1/pg_10
(Cafe Press, the mother of all NOBama links)
http://www.nobama.com/
http://www.cafepress.com/bobmccarty/2303950
http://www.cafepress.com/rightwingswag/2453341
http://www.zazzle.com/nobama_hat-148835114594493773
http://www.cafepress.com/texasbigbird/4967642