Nissan have finally agreed to fix this problem that started with the GU IVs. There is a service campaign for the replacement dash and this does cover both parts and labor. So if your dash has acne go talk to your local Nissan dealer about getting it fixed for free!
http://www.nissanpatrol.com.au/forum.../2010/07/6.jpg
http://www.nissanpatrol.com.au/forum.../2010/07/7.jpg