You shouldn't be looking to pay a premium for someone else to organise your accommodation. You will be paying retail and they will be making commission on the booking. In fact some firms claim to be able to save you money. You haven't given any clue of what you want to see/experience.
mountains? Lakes? cities? coast? hot/cold? what sort of accommodation? cabins, tents, hotels, travel stops B&Bs?
Thanks for your reply, please see my response to Burnerman.