I would definitely add Bet365, particularly as they are a sponsor here
Another to consider would be Betinternet. They offer coverage of outrights and matchup options like Bet365 and Five Dimes, but only offer the PGA Tour and European Tour on a consistent basis. If you're just looking for PGA Tour odds, then they would be a good addition and they do accept Neteller.
Glad to discuss more if you can be more specific about your golf betting