I have one on my shelf that will be going on my Volvo project once the bodywork is done. I can't give you a performance review but I will say it is the nicest MC I have ever seen. Workmanship is 2nd to none.
I have had one on my car for about 18 months. It just works, & looks great. Beautiful machining, excellent anodizing, and easy to fill & check fluid level. It also allows you to use either AN fittings or directly use a flared brake line with the use of an inverted flare "pill". Also has a provision for a proportioning valve to be mounted right underneath it.
Not to mention Baer customer service is (IMHO) second to none.
Hope that helps.
I've been using it on my Cougar for a while now and it works and looks great. I really love that the prop valve can be mounted under the MC, the easy fill, and the fact that I can use either the flare fittings or Banjo fittings.