Interesting, my rack has a bit of play too and I would like to change it eventually, however even the non-servotronic rack from Audi is over £850!
What make is the Eurocarparts rack? Just cant believe a quality rack can be had for £150, but I would like it to be true.
Original rack seems to be made by ZF, Eurocarparts one by Remy. Its a moot point for me, just remembered I need a LHD rack