For ordinary sarees 1. Lakshmi textiles is good, 2. Seemaati(a bit cost here), 3. Periyasamy moopanar(cheap & Best).
If u want to buy Silk sarees dont go any shops in kumbakonam. "Thirubhuvanam" is 5-7 kg far from kumbakonam. this place is very famous for silk sarees. go there and buy it. you can get a handloom sarees also. you can get in all ranges.