Yamaha DTXpress/DTXplorer/DTXtreme

Erik,

Yes, EMF posted about it around a week ago.  I don't know what's in
it, so I don't know how it works, but I know the Roland and Yamaha
drums work in a similar way, and my box works on Rolands so this
should work on Yamahas.  I would be interested to know how well it
works (and what's inside - I hope it isn't a copy of my circuit!).  

It is certainly a cheaper alternative, particularly for people living
in the USA.  With the dollar being worth around the same as a rupee at
the moment, mine is rather expensive from the UK (only kidding;-)

Keith.