How much of the series are you planning to play, and how is it going?
I've made it through the whole modern Persona series (besides dancing games) and the whole 3DS library. Also Nocturne and SH2.
I don't play to play the really obscure games like Majin Tensei or Demikids, but something like SMT1,2 or Devil Summoner (is that one translated?) sounds like something I'd still play. So, I'm barely halfway there, and these games were my main focus for a few years now.