I've never heard of them myself and don't see much out on the web about the company. There are a bunch of reviews at your link so maybe look through them. Looks like both good and bad. For that price for real leather, that's a great deal. If you decide to go a different route I'll also recommend Coverking seat covers. They offer a very wide range for you 986 and are really great quality. If you have any questions let me know.
Coverking Seat Covers - Pelican Parts