Magic Resist Items (ADC's POV)

Alright so, I'm sure that everyone who's been playing this game for a while remembers the good ol' FoN, or Force of Nature . The stats it gave were just INSANE and it was THE perfect magic resist item to get against a full AP comp or against a really fed APC. It gave 40 health regen, 76 MR, 8% move speed, Unique Passive: Gain health regen equal to 1.75% of max health. Now. Ever since they took it out of the game, I always had trouble deciding on which magic resist item I should get. Banshees is good against the One spell game changer, or combo, Maw against insane burst, GA on having a second life (i almost never get it).. etc. What I'm trying to say here, is that I'm an ADC player and it just feels as though banshees, GA, or Maw isnt enough for the raw stats. Am I the only one who thinks this?