There's been a lot of talk about Harper on the After Match Debate thread so thought i'd bring the debate here instead...
I think Harper has got the potential to be a top player; he can dribble, he can shoot, he can pass with good quality long and short too. I also think his positional play has improved from last year in terms of when to lay it off and sit deep and when to try and go to join or go beyond the strikers. He could be more tenacious in pressing off the ball and needs to improve his stamina, he has a large frame so hopefully that will come as he continues to mature and get stronger.
I think his best position is actually the one Krovinovic occupies, the more offensive of the three but I could be proven wrong longer term as he is quite adept and driving with the ball from deep. Some of the criticism of him comes from his languid style which I think is unfair, it looks to me like he does put the yards in. Personally, I would be happy with him playing regularly for us next season in either division.