Cats pretty much bathe themselves. When you read about a bengal jumping in the shower with you, it just means that it doesn't mind getting wet. It doesn't mean it needs a shampoo.
The issue here is that your husband is allergic to cats. That can mean a bengal or even a sphinx. You want to visit a breeder and see if your husband suffers a reaction. There may be none at the breeders, however, once you get a cat home, there could be a trigger. A cattery is going to be super clean, especially if they know they are having a visitor. Sniffing a cat may not trigger, but dander in the air may.
There are breeders in Virginia:
http://www.mysticcreekbengals.com is in Richmond.
http://www.pottsmountainbengals.com is in Covington.