Resurrecting this thread - who exactly currently provides roof rack systems (and accessories) for Tesla? I'm looking at it for my Model S with a pano roof. I've looked at both Whispbar and Thule but neither come up for Tesla and frankly for the cost I want to make sure they will have support into the future. Is there any compatibility issues between the bars and the carriers (ie. Whispbar with Thule ski racks, etc.)?