I like Taco Bell, my sis and I call it Taco Hell because she always feels like crap after eating there.
An occasional trip 'South of the Border' is ok.
My fav from the list is Chic-Fil-A. It is worth the wait for me, but usually they move pretty fast.
What I order at Subway is not really healthy so it sorta defeats the purpose of going there to eat healthy.