On KNik - I have him (after ditching Jrey). Last year I learned to favour the guys who seemed overly active and keen on the ball. Thats why Slater was a pick and stick from the start, and Will Hopoate was my biggest regret late in the season.
Knik always seems to have the energy at taking on a tired line. Be interesting to see if he keeps it up with the traditional half role, but I'll milk him for a bit.