Based on last years Play Off series i would imagine we would play Friday. This was the case last year. Saints finished 2nd with Warrington 3rd and this was the openenig game of the play offs with Wigan 1st v Leeds 4th on the Saturday.

think they only play friday or sat not sunday

If they finish 4th they will play 1st away. I'm assuming they can still finish 4th that is

Catalan can be overtaken by Hull for 6th spot. (Huddersfield are already guaranteed 4th but the best Catalan can do is 5th ahead of Leeds)

If Catalan are playing at home they WILL be playing Saturday. The 2vSt Helens game WILL be switched to the 2.45 Sunday spot. 1vHudersfield WILL be playing Friday.

[size[size(the above info comes courtesy of a nice chat with a Sky technician........and a member of the Warrington staff during Sunday's game)[/size[/size]

That wasn't how it was originally scheduled though, we were due to play Leeds on Friday but had to move it as Wigan Athletic played on the Saturday IIRC.

Correct. Part of the "rental agreement" is that Wigan Warriors are not allowed to use the pitch at the DW within 24 hours of Wigan Athletic playing on it. Wigan A had a Saturday home game so WW couldnt play on it on the friday night. (Note, the term doesnt work the other way and hence WW could play on the Sunday)