Recommend me a hot sauce?

Hello, I like to consider myself somewhat of a hot sauce connoisseur, (or at least i'm trying to be one) and I would like to expand my taste buds a little bit, so I would like some recommendations. I use Franks, Tabasco, and Cholulla. I tried the jalape�o tabasco sauce, but I didn't like it because It wasn't very flavorful. I like the taste of chipoltles, is there a chipoltle based sauce somewhere?