Great topic. Not necessarily in order:
ONR - really should be 3 entries as it is a great wash,
detail spray &
clay lube
Any Pakshak MF towels - I'm addicted
Collinite 476s/885 - I no longer fear my long winter (Thx Accumulator)
4*UPPS - gorgeous depth & shine achieved with such ease (Thx Patrick)
303 Aerospace protectant - great finish, very effective
OCW - great shine, so easy
1Z polishes - user friendly and excellent results (Thx again Accumulator)
Nevr-dull polish - works great, worth the stink
Pinnacle ultra poly clay - cleans without marring
Porter Cable 7424 - my arms & shoulders got a vote
(I'm still a newbie & there are so many products to try & love)