Variety is the spice of life :) It'd be nice to get some more crankiness/sass/tsundereness & I do think it comes out more in their letters.
But dialogue isn't a priority if my lazy boys are still talking about grass in the middle of winter :V
ooooh just choosing one might be Gintama~
Code Geass, Fate/Zero, FMAB, Naruto, D.N.Angel, Mob Psycho 100, Haikyuu!!, Noragami
I should make an order but first I'd have to decide on the parameters on such a list >.>