You're doing really well, especially for a first-timer.
No real urgency to do anything necessarily, except that you have all that cash burning a hole in your pocket.
I don't see any downgrade targets that are must-haves for you.
Clark and Campbell the obvious upgrade targets.
Campbell -> Duncan or Boak is the best you can do in the middle.
I'm not sure that there are too many forwards that make sense right now.
Campbell -> Greene via Brockman if you want to be bold.
I'd lean towards an upgrade in defence.
Clark -> any defender you want. Lloyd for under 600k is a steal, even if he drops again next week. Likewise Ridley. Yes can could wait and get them cheaper next week, but then you don't get the points they score this week.
Stewart, Bowes, Mills, Short, Docherty. all other viable options.
Thanks for the advice mate. I think I'll end up bringing in Lloyd. Cheers