The Jalapeno's coffee warming ability is kind a secondary focus and of efficacious it might be is somewhat dubious... but it will hash, oh yes.
As far as power on the singles go, we are going with a different power brick, but your old ones should still be compatible with the new units.
Ok, so can we look forward to the same industrial design?
This is really a dealbreaker for me, so you should provide pictures!
The real question is why aren't you, for you it's win/win?!