This might not be GOUT, but this the old upscale shot from my PT project used the Adobe Detail preserving upscale:
http://screenshotcomparison.com/comparison/45634
I could try a test with a shot from the gout, if you want.
And yes, Infognition's Video Enhancer is ideal for upscaling but I'm still badly waiting for them to release a new 64 bit AE plugin, which according to their blog posts, isn't too far ahead.