I'm going to get one when they're released. Have got a 12l 300bar scuba tank for tinkering, but it's a pain in the arse taking it to be refilled and this appeals to my gadgety nature
From the AO thread Tom is looking to arrange euro distribution with 'old friends', which could mean Sosta with any luck.
Spoke with Tom about this at WC, as I said then, I'm sure he'll sell some, but for the majority of us out there a dive shop is probably a better option, but for those who it isn't this is ideal.