Call Randy at Wheels in Motion in Winchendon, MA 978-297-0000. He's got a Cheetah which as far as I know has the same skis.
I'm reasonably sure skis are available new too, depends on how nice you want it to be.
Raising sleds from the dead in north central MA.
'70 Ski-Doo Olympique 12/3 - The Yellow Bullet
'71 Arctic Cat Panther 303 - Wankle Panther
'78 Arctic Cat Pantera 5000 - Back from the dead!
'79 Polaris Cobra 340 - Back from the dead!
'95 Ski-Doo Grand Touring SE 670