I'm going to order 2 Blowties. For pressure fermenting and closed transfers, which 1 do you like better as-is and unmodified? I know the v1 has a better gauge, v2 has a new toy or 2, etc, but if you didn't have any and were going to order 2, would it be 2 v1, 2 v2, or 1 and 1?