I think dbert has one and may know where some others are. He and Ronin are the big track machine experts here.
Toro 8/24 (38080) 1989
Toro 721-QZR (38743) 2015 (Hemi Predator Power)
Toro (51984) Hand Held Blower (For the light stuff)
Experience is something you don't get until just after you need it.