Just a quick follow-up regarding my recent post extolling the "virtues" of Tel Aviv car service, which I have used between JFK and midtown on several occasions over the last couple of years. I flew into JFK last Saturday and encountered nothing BUT problems and have cancelled several pending reservations with them. If interested, you can read about the detail towards the end of the trip report on the following thread:
http://www.flyertalk.com/forum/Forum81/HTML/001170.html