I've voted no, as I've not had any problems with mine since getting it in September, apart from the pins coming out a couple of times early on, before I biult them correctly.
As for the R having 2mm pins, I dare say it will be a running change on the full fat version as well, so it won't be like the cheaper car is getting better stuff, it's only those of us who have the early cars that will have to buy new shafts,
if they want to.
It's normal for things to evolve as time goes on.
Pete, maybe you'd like to start complaining that the metal shock towers have extra holes in, and maybe the R owners will be able to run set ups you can't