I'm here in Vegas, and will be working with an old friend who was/is heading up the 190 swap knowledge base in Vegas, within the next two weeks. Can't wait.
I hope to contribute to this site with things learned, in the very near future.
edit-
The guy out here in Vegas not only has a 190, but he swaps 2 or 3 out a week for friends and "customers", his current build in a grom clone, full grom plastics, has a Daytona 4v head, and been increased to 212cc. He's working on fuel injection for the 190 swap (or 212) for those who are interested in having FI. But he is a self-proclaimed carb guy. Why the ZS190? The kicker is the 5 speed transmission that you get with the 190, he says that's the game changer over the inexpensive big bore kits out there. Pretty interesting to follow, I don't have the time or energy he does. ha.