Depends on what kind of an experience you want. Aruba is VERY Americanized. Lots of US chains there, pretty safe overall, pretty clean overall. Lots of casinos. Beaches tend to be pretty busy. Very good bus transportation system. No need to rent a car. Never really stayed on Curacao myself, although visited there a bunch of times on cruises. Curacao would give you a more 'Caribbean' experience, and the downtown area is very Dutch looking, with lots of old buildings. Aruba does not look very Dutch, except for a few buildings downtown. For Curacao, you would have to rent a car, I think. Not a lot of great beaches on Curacao, I don't think, but if you are of a mind to find a more deserted type beach, Curacao might be a better choice. I presume you know that all three of the ABCs are much more arid than places like Virgin Gorda, and the wind blows pretty constantly. On Aruba I've only stayed at the Best Western Manchebo Beach, which I don't think is even known by that name now. That's where we spent our honeymoon and several trips since then. I think we card we have for one free night during our honeymoon for the rest of our lives is no longer good. Other than that, I don't have any hotel recommendations. Enjoy!