Epicurious has a fairly in-depth taste test of various veggie burgers available in supermarkets. As most vegans find out fairly quickly, there are a lot of non-vegan veggie burgers out there! Also, there are a lot of really shitty veggie burgers out there too:
Most veggie burgers are bad. Very bad. Like, I want to go hug a vegan and apologize bad.
Epicurious also has a list of their favorite vegan recipes here!