Hey Guys,
Mylon Tech here in Ottawa has the EMS machines for $895.00 and output 50-100hz and have a max rest/off time of 50 sec exactly.
They have cheaper units for $495 but the output feels more like stinging.
http://www.bodyshapers.com/htm/sum.htm#athletics
This store is in Toronto and machines are greatly priced too.
Relaxation times up to 75 seconds and upto 200hz EMS.