My team had to go through an extremely similar situation a couple years ago, so I can certainly PM you about how my team handled it, but I'm not real sure that we did a very good job of the transition. We managed to iron out the kinks, but it took a rather messy 2015 season to do it.
On the flip side, this thread was just started and looks to have that you're looking for.
https://www.chiefdelphi.com/forums/s...hreadid=149303
I haven't read through all of it, but what I've seen looks good.