I've been using it for awhile. The fact you have to install a 3rd-party plug-in to get reasonable search in Outlook is terrible.
Btw, these guys were offered $20 million from Microsoft and turned it down.
Friday: getting my chuppa-chup rotted teeth worked on
Saturday: reading my latest anti-aging books and drinking green tea
Sunday: napping, puttering about the yard, rubbing powder made from porcine stomach lining on anything that feels "worn out"
I've used Autoshare for 3 years b/c I live across the street from a lot with 3 of their cards incl. a cargo van. Never had a real problem. Just got a new sweet Honda hatchback - hurray.
When they've dinged me with fines I thought were unfair I told them so and they credited me back the $$...