Here's my 10 (in no particular order)
QEW
AquaWax (this makes sealing wheels a breeze)
Makita 9227
Meguiar's water based dressing (great for wheel wells and engines)
Collinite 845 (great durability)
Meguair's W-66 backing plate (I think it is the W-66...it's the one from the Solo Line)
4" Pads for the PC
Ultrafina and the blue 3m pad
SIP
106ff