There is a nice little restaurant, Steak Corner, near Thong Tarin hotel, opposite Kaffe Italia. They have thai food, steaks and also some italian food on the menu.
Hot pan beef steak 89 THB, salmon steak 129/149, ham/cheese spaghetti 59, pizza 119, thai food from 49 to 79.
Bon appetit - ขอให้เจริญอาหาร!