Be sure to check out my other video about choosing a banjo for multiple styles. http://youtu.be/vDUqA072ZbA
Hopefully I'm able to pass along some information to help you decide what style (3 Finger/Bluegrass or Old-Time Frailing/Clawhammer) and what sort of 5-string banjo you want to play.
Banjos used: Recording King RK-R35 and Ramsey Woody
Recording King RK-35: https://amzn.to/2ITNHSw