What''s in the Wonton? Asian Dumplings for the Novice

My only real dumpling experience has been at the Rickshaw Dumpling Bar , a tasty, if tad expensive little shop in Flatiron.  There you could get fried or steamed dumplings with whatever filling you wanted for around $6.  A box full of those, a warm, sun-drenched day in Madison Square Park, and all is right with the world.  I know Chinatown has some great deals, some where 5 or more can...