I did find gutshots on the ESP forums though
http://bbs.espguitars.com/showthread.ph ... 401&page=3
not all valve as is stated on most of the retail sites, several fets and op amps in there, apparently its the preamp that is hybrid and the power section is a 12BH7 valve running in push pull config.
Alos they seem to have some issues
http://www.musicradar.com/forum/showthread.php?t=30277
I like the way they sound, I'm considering trying one if they manage to sort out the issues