There's a wonderful Mexican restaurant called Mi Nidito on Eighth Avenue
somewhere in the West 40's that is very veg-friendly, and very very good! I
wish I knew the exact address, but I know it is listed in the phone book.
Also, there is another place a block or two up on Eighth Avenue called Zen
Palate. I've never tried it, but I've heard it has a nice selection of
Asian-inspired vegan dishes.
Hope that helps!