I'd enjoy both, but honestly... If we've survived w/o 'Re:RUDY' for this long, we can go w/o it for longer.
Income wise, and popularity wise... 'Industry Baby' is the obvious choice, it simply has more potential.
I say go with your heart of course, but if you want to be pushed in a direction... 'Industry Baby' is it for you (it's a simple plot, but attracts crowds).