Since Kentucky is a small area and thats all you give, I would suggest you do a yellow pages search for the largest city relatively close to your location. Two very basic reasons, freight instead wanting a certain brand (although they will most likely represent the majors), they will have a reasonable facsimile. Secondly, parts and acessories. You don't have to buy what they have but it will certainly give you an education. And who knows, they might have exactly what you want at a cheaper price.
BUT I HIGHLY recommend you shop it. Right now is the most expensive time of the year, its spring! You want to make a major investment for cooking outdoors in December/January if possible and save sizeable moo la. Once you see something you like then shop it on the WWW thingie, see what others sell for as well as what others think. A good smoker/pit/grill is an investment for quite awhile.
So unless you are doing a Sam's special or down and dirty cheap, spend a little time, it can save you time, money, and frustration.
Look for outside kitchens and patios or BBQs
::EDIT:: I didn't realize the post was already two pages, I am sure you have more than ample advise by now. I hope ya find what you need.