Some info on first impressions:
Autumn Ring/Mini doesn't seem to be present.
Performance of the cars are identical to their GT1 counterparts.
Red Rock Valley is present in this version.
Intro screens are present, and are identical to the demos we've seen.
Loading screens from later GT2 demos are not present.
Feels very GT1-esc, like the early GT2 demo.
Only a few cars can be selected.
Only a few tracks can be selected.
Loading seems longer than later GT2 demos.
Sounds use the GT1 menu sounds, like the early GT2 demo.
Srsly guiz, check the date.