Fair point, I reread the question and it did say permanent players from the last 3 seasons, I'd assumed it was Evans loan signings vs Evans permanent signings.
On Kari, like yourself I'm still unsure of his best position (particularly as I like Paul Green in the midfield) - I'd be tempted to move Kari back into defence next season but it's going to be about finding the right partnership. I think we know Arnasson and Broadfoot isn't working and Broadfoot finished the season well so it's a tricky one. Good to have the versatility though, especially if we're to be running on a smaller squad.
I think Arnason being moved to midfield was a key part of our upturn in form for the final run in.
He gives that added presence alongside smallwood and also another creative dimension, he always strives to make a forward pass even if they don't always come off.
Arnie can sometimes have a sudden lapse of concentration, so it's good to have a back four behind him. Likewise, it's good to have him sweeping infront of them. I really liked the combo of Arnie & Smallwood as CDMs, whilst Ward, Frecks and Prings(White now?) played in attacking roles with Derbs up top.
I felt it was a good formation to start with and if things went pare shape we can always revert to a 442 and still have options such as Bowery and JCH to come on and make an impact. We have a decent spine of a squad, just need another GK, CB, RB, RW and I think we are sorted.