I think it will all depend on who the coach is, someone with runs on the board like Roos will probably not feel the need to slash and burn like a newer coach. I get the impression that Roos would have taken stock of the list and might make minimal changes this year, and see what he can get out of players.
For mine, and I'm not fully aware of the contract status, I see the following delistments: Gillies, Davis, Tynan, along with the 3 retirements, that make's 6 (senior list). Hogan comes in so we look at 5 coming in.
I can't see Magner or Couch being upgraded so they go, along with the injured Strak. Clisby stays on the rookie list and we get 3 new guys on there.