The GY G tires that came on our Mobile Suites were made in the middle of 07, they never had a flat or a problem at 5 years I replaced them with GY H 17.5" tires. With the MS the GY tires were being ran near their capacity, I like the extra margin. I also went from GY E to GY G in 07 on our Avion and nearly 5 years later they were looking great when we traded the Avion for the MS.
From the stories like NC's where GY has gone above and beyond I would not even think of using any other tire. Gy has had a great reputation since 07 with their G tires.
Yea count me in also on the USA over China bandwagon!