If you are planing to visit Bangkok and looking for a budget room with price around RM150 - RM200 per night, I recommend you Vista Express, the room is clean, tidy and comfortable.
(Sorry for the blur image)
Website:
http://www.hotelvista.com/bangkok/
Besides, it's located around Pratunam Market, and it's just walking distance to Platinum Fashion Mall, Shibuya, Pantip Plaza, Siam Central a.k.a Cental World, and Big C Superstore. There are shops, foods stalls and restaurants around the corner, such as Seven Eleven McDonald, Malls and etc.
Website:
http://www.hotelvista.com/bangkok/