Saw this over in the HCH-2 forum. The US DOE has a fleet of electric/hev/etc vehicles that they keep maintenance records and whatnot on. They've got 4 HCH-1's on there, 2 driven for around 30K and 2 driven around 150K.
Here's the interesting part. Both of the long-termers were driven for about 150k. Both had their catalytic converter die around 100k. Both had a CVT failure (equalling replacement) around 100k. Ouch. Makes me glad I have the MT. But no battery failure reported! It's a pretty small sample size, I know. But interesting that both had the same failures at the same time.