There are still some V2 versions with the delrin poppet out there. That's not abnormal. V2's were out well before the metal poppets were.
You should see a difference in reliability for one thing. Perhaps a bit more consistent as well. Since their rebuildable, it should be the last one you ever buy as well.
Creed Battery f/s
Creed Replacement eyes f/s
Creed replacement solenoid f/s
06 alien remains board f/s