I currently play exclusively alto sax in my highschool Jazz band, Concert band wind ensemble, and jazz ensemble. I also plan on pursuing jazz in university. What would be more worth my while to rent/purchase, Bari sax? or soprano? i chose those two for the fact that they are the least commonly...

Hello, I've been playing saxophone - mainly tenor - for 7 years, and would like to learn bass clarinet too. I'll have a chance of trying out and possibly buying one sometime this week from my sax tech in Czech Republic. I know I can trust him, but I'd like to know what are the things to watch...