I have recently downloaded Koparent for a Boat rental site I'm working on. I was torn between IceBooking and Rentalot, but this new component just got out and I am lucky that I have tested it on their Demo site because it has all the things that I need for my site. It was very easy to install, very customisable, and when I asked a question for an explanation of one feature, support answered in a mater of minutes. I would highly recommend this Extension!!