Anyone have "shimmying" issues with MY10 GT?

[edwood]

Been reading about people having "shimmying" issues in the US with the MY10 GT. Issue relates to strange vibrations/pulses in the car that can be felt in the steering wheel, centre console and in the seats. Problem seems to occur after the car has done a few thousand kms and at speeds of between 110-120kmh.

Here's a post about it on the legacy gt forum:
http://legacygt.com/forums/showthread.php/updated-shimmy-issues-136791.html

Anyone have similar issues here in Oz?

Update: Actually seems to be affecting other MY10 models too.