If the top inflatable is what you want, then you have extra work researching reviews for the different manufacturers and models for your taste.  The best inflatable boats are historically designed and manufactured by companies that have a long history in the production of inflatable boats.  They will have various inflatable boat models for the different interests of their customers from fishing boats to sailboats depending on how you feel is the best inflatable boats. 

If your interest is to be able to fish from your inflatable boat, then the best inflatable boats have the extra strength for higher air pressures and the ability to carry more cargo or catches.  Others may prefer the white knuckle excitement of white water rapids and thus they feel the best inflatable boats are inflatable kayaks which are easier to transport since they can be folded so they can fit in the trunk of a car.