Oh, Salad King. You introduced me to Thai food, and I'll always love you for it. Alas, some things must be said: Salad King is good, but not great. Salad King keeps drawing people because (1) it has a great location, and (2) the food is pretty cheap.
The best compliment I could ever give the Salad King is that it is very consistent. I've never had a bad curry at the Salad King, and that alone makes it worth visiting.
I'm gonna echo the sentiment of some of the previous reviewers: the seating arrangement can be very awkward. Don't be surprised to find yourself sitting next to some very loud and obnoxious people. This pretty much ruins the whole dining experience for me. If you don't mind listening in other people's conversations, then by all means, visit the Salad King.