I will add to the foregoing that for the first few hours, it really won't matter much which type of aircraft you're flying, you're just getting used to being airborne, and navigationa around with new references, and instrument to think about. From that perspective, you may as well be flying something less costly.
Once you are comfortable with navigation, and how to interact with all o the instruments and radios, then you can change type, and you won't be spending three times the rate by the hour to be in the air just to learn those common basics.
Also consider what you will do once you have a license. Airplanes are much more available to be rented than helicopters. As has been said, there are not that many places you can land a helicopter that you can't land an airplane. When you find those places, you may find that permission, insurance, or shear wisdom prevents you landing there anyway.
With 5500 hours over thirty years of fixed wing flying, a few years back I took helicopter instruction. I dragged out the training over a few years, because, as a student pilot, I could fly solo most wherever I wanted to fly. Once I earned my license, I could not rent a helicopter for insurance reasons. Thus, though I have done an additional 60 hours of helicopter flying (in some breathtaking places), I have not flown a helicopter solo since I got my license.
Unless you're going to buy your own helicopter, a helicopter PPL is not of a lot of use.
That having been said, there are just so many beautiful things you can see from a helicopter, that you'll never see close up from a plane....
