KenJax Tree
Terraphobic
I've had a few of the HD rentals and the powerheads always seem to be in great shape. It would be a good idea to check the washers that are on the clutch drum, pretty common that they're not right.
The last couple had some pretty wild burrs on the bar, serious filing required. The fact that they use the makita's as rentals says something about their toughness.
Home Depot is one of Makita's top power tool sellers period.