Originally Posted by AJ THE PF GOD
A cossie steering wheel fit's straight onto an S2 nothing extra is needed

Errr... Not really straight. Won't turn the indicators off and will touch the plastic steering column covers.
Old-skool RS 3-spoke with a genuine Escort MkIII/IV boss would be my choice.
And there are also 2WD-Cossie-style RS wheels out there which were made for the escort and fit no problem.