I might as well turn this into a general HandBox chat thread...
They've just posted details of a prototype they're working on, on Facebook - here's an approximate translation (thanks, Google!).
[color=#141823][font=helvetica, arial, sans-serif]"Two-Channel hybrid head, with five tubes in the pre. The first channel is modelled on the Ampeg tone stack which uses three of the tubes, and is '[/font][/color][color=#141823][font=helvetica, arial, sans-serif]thick, dirty and heavy'.[/font][/color]
[color=#141823][font=helvetica, arial, sans-serif]The [/font][/color][color=#141823][font=helvetica, arial, sans-serif]other channel is inspired by Fender with more typical 3-band passive EQ, and using two tubes for a cleaner tone. The masterpiece is a hybrid driver module that gives it close to the unmistakeable full-tube tone. It will put out 600w @ 4Ohm and has friendly feature-weighs 4 times less than a tube equivalent."[/font][/color]
It's overkill for my needs, but my gosh it looks fun...