From that list, Alex Rae and Ian Murray may have failed at St Mirren but given where that club is, isn't too much of a blemish. Can't see Murray entertaining the thought of a return though, especially if he is looking at an adventure in the fjords.
The audacious moves - Jamie Fullarton, Billy McKinlay and Paul Dickov
Ally McCoist has made noises about getting back into management, would certainly be high profile...
Neil Collins has set himself up a nice life in Tampa with his family but one can dream of a return as player manager. Joe Cole was on Soccer AM saying that he is very aggressive and intense so that would be good fun.
Aitken a dead man walking - dismissing the idea of him staying on in the event of a narrow relegation via the playoffs?