My votes would have been (saw 11 games in 9 days):
G - Conz
D - Orlov
F - Schenn
MVP - Kuznetsov
I didn't see the US enough to comment on Campbell, but Conz and Ortio were both very solid. Conz gets the node for playing tougher games (with less in front).
Ellis was a fine choice, but I suspect if they knew the Russians would win they would have chosen Orlov. Sami Vatanen and Adam Larsson would be my 2nd team all-stars.
I think Schenn was the best player, he dictated the play when on the ice and was clearly a leader for Team Canada. He played very well at both ends.
Kuznetsov gets the MVP as he had the biggest impact on the results of the tournament. He singlehandedly beat the Finns and contributed to the tying goal vs the Swedes. He was the most dangerous Russian early in the final and picked up 3 assists in the 3rd. Tarasenko had a better 3rd period, but the other games I saw (Swe, Fin, Swe, Can) Kuznetsov had more impact.