I used Limores last weekend from Wall St to EWR and was very happy. I waited til a few hours before I needed to leave to make a reservation, which was apparently a mistake. Many other highly rated (on Yelp) car services had no cars, so I tried Limores via their website. I got an automated phone call when the car was dispatched (maybe 45 min before scheduled pickup) and a call when the car arrived. I actually saw the guy pull up and my phone rang.
I'll be trying them again tomorrow and, if all is well, it'll be a weekly thing.
The car I got was very nice.