Yep, I have all the A419 upgrades as well. For all those who complain about the cost of the V3, consider doing it the "hard way", which was to buy all of the upgrades each step of the way (starting with the original Rev 1), only to replace them on the next iteration/Rev. That's what I ended up doing, not by choice though. Back when Adam first came out with V1, no one knew there would be subsequent revs/releases.
So, V3 with A419 upgrades is the way to buy it today.