Go with Purple! If this gym is really good like you said it is, you will improve your skills a lot! You are still young and i think you have a much successful future at the Purple gym! And basing is great i'm sure you'll love it :)
Im signed up for "Purple" and have been practicing with them for about a month. Thanks for the help everyone! I know i made the right decision, and GUESS WHAT?! I am absolutly in love with basing!!!!