More is more, as the slogan says 
Comparing retail prices, the mk1 was £600 and mk2 is £800 in the UK.
Seems a little unfair to compare second hand prices when people are selling them off to upgrade, to the retail price of the unreleased new version.
The unfairness is why they are saying to take advantage though…
I use Stepic with Bitwig. For some reason none of the parameters from Stepic schow up in the list. It would be killer if those could be modulated.
I think maybe because it has already very detailed and extensive modulation. Plus you can make many pattern variations and then switch (this can be mapped via midi cc) while playing.
Plus you can map and automate 8 parameters of a synth inside stepic