I personally think Krishna is clearly better than Powell but on the basis of their respective seasons I just thought the gulf was a bit wide in the scores they got.
I also think it's a bit off to say that Powell didn't look dangerous or like he was able to win games when he won one game singlehandedly, away against the 2nd best side in the league, and scored the winner off the bench in our 3-2 win over the Roar at the start of the season too. In the context of our season he was a good player. I think he could do well with a more creative midfield behind him too - he's a poacher really and our game didn't produce a lot of goal box chances for someone like him to get on the end of.