What drugstore shampoos have a low level of sulfates for colored hair?

I have color-treated hair and am looking for a shampoo with some sulfate (I get buildup on my scalp and I like the suds!), but not so much that it will dry my hair out or remove the color. I have tried Loreal's Ever Pure, which is sulfate free, and didn't really like it. I had to use more to get a foam and I wasn't partial to the smell either. I also tried Tigi Bedhead's Some Like it Hot, and wasn't that impressed either, because it is sulfate free and again, no suds (even less than Loreal's). Plus, I am on a budget. It doesn't feel like my hair or scalp is as clean without the suds. What are some alternatives?