Actually Kiehls is NOT that exclusive. I personally like Molton Brown better ( I think MB is actually more expensive as well!)
Well I am using the Tea Tree Kiehls Shampoo at the moment and the Blue Face Wash Gel. and the Molton Brown Vitamin C Shower Gel!!!
Also I don't like the Aveda products. They are not that good in quality and the smell is funny (IMO - the roesmary!)