My (admittedly very limited) experience with contour hybrids has amounted this:
I was extremely let down by the quality of the glue. Sure, they don't stick to themselves like Black Diamonds do. And by this I mean you need less than an army to rip them apart when they're stuck glue to glue. But that's because they don't seem to stick to anything particularly well. Ski bases included.
Because the glue sucks, the 'split' design really shows it's weakness. With 4 'edges' on each skin you now have two more weak points for snow creep underneath.
And yes, they're a bit of a pain in the ass to manage given their design.
Again, your mileage may vary but like most of the skin innovations over the last few years they left me largely unimpressed.