Aloha and welcome to UU, glad you joined in. Lots of choices out there for buying. Where do you live? If you can get to a uke group or music store that sells ukes you should try out the different sizes. Otherwise I would contact a true uke dealer and tell them what you are looking for. They can match you up with a good uke. Please don't just buy one from Ebay because it's cheap. You may get one that is tough to play and sounds bad.