As far as I knew, they were bought out by some Italian investment group who then took the named and made a lot of stupid pronouncements about making the brand on par with VC, PP, and AP. They figured that they had several in-house movement designs and a stock of unused movements, so that made them a true manufacturer. They priced their re-cased movements attractively, but priced them beyond all reason.
This is just what I've heard from other Minerva nerds. I did see the concept pictures from the revamped line, but I've never seen one in the metal or even heard of a single person taking delivery.
As far as them being a deal, they were that. The Pythagore model was around US$1200 new in the mid to late 90s. At some point the company realized that they could get a lot more and bumped the price up to $3000, but people still snapped them up. Not high production pieces, but they definitely had a place in collectors hearts.
And now, here's my Dubey & Schaldenbrand Aerodyn Duo: