re 50-75 units : it was not in the same breath as the 30 day trial ...
it was more that potential customers were concerned about QS capacity..
regardless of any specific initial phase which they may or may not have gone through..
the demo partner seemed to have been dropped in favour of the 30 day trial ...prior to the roll out of however many aot's
ie a more aggressive set of conditions ..cutting out the gently, hands on : have the test and be secret and then buy or forget it; turning defense into attack