Favorite and least favorite farm machinery you own

So out of all your pieces of hay making equipment what is your favorite and least favorite?
Not talking about a hand tool, but an engine or PTO powered piece of hay making equipment.
What's your best machine?
What do wish you never bought?

Best: (tie)
M126x tractor
BR 7060 SS baler w/ Harvest Tec
Wish I never bought:
NH Pro Rotor rake

Favorite and least favorite farm machinery you own