I thought Masala was no better than decent. Excellent service but for that money, not worth it.
I've started going to Alif Laila on soi 3 opposite soi Africa. Owned by the same guys who have the more upmarket Bawarchi. Alif Laila is inexpensive and the dishes are distinguishable unlike a lot of places in that area. Nice tikka and the curries are more like their British counterparts than the vague rather tedious stuff you generally get here. The naan breads are inordinately good for Thailand too. And you can watch people sell drugs over the road while you dine.