Didn't 27 lose its 'R' some time ago? Seem to recall a letter from the CO to some journal to this effect.
72 has a long fighter heritage, but suspect that Eurofighter won't come about as a result of the 'competition' from the F3 units, plus the old favourites of 19,74 and 92, plus (but less probably) the three Jag units.
Of course, if the huge increase in funding for the 'war against terror' (as predicted in some leading news sources)increases the number of Eurofighters on order, then maybe....