I tend to stick with one film (APX 100 last 2 years) that I bulk load.
But I always have a couple of specialty rolls of film in my bag (D-3200 or HP5)

APX-100 looks incredible in Rodinal 1+ 50, FG-7 or Ilfosol-S
D-3200 looks great in DD-X, D76, Diafine (1600)