Yamaha DTXpress/DTXplorer/DTXtreme

Does anyone in the UK or Europe--or, for that matter, the US, which 
doesn't seem to have a distributor at this point--have any info or 
access to the Fischer Drum In-Ear Amp? I'd love to get my hands (ah, 
ears) on one of these things.

http://fischer-amps.de/i_drum.htm?lang=en

Ed