No, I've not yet owned a Braun TP1, and, unless someone gives it to me or I find one on a bus bench, I probably never will.
I've had an ongoing search for these on eBay for nine months now, and this (photos from auction) is the first actual unit I've seen for sale. I'll follow this auction and see where it goes, but I'm not bidding. :)
Any experience with the Braun TP1? Chime on in and tell us your story.