The page is live now: http://members.marriott.com/

1 Starpoint transfers to 3 Rewards Points; Conversely, 3 Rewards Points transfer to 1 Starpoint

http://members.marriott.com/faq/#wha...rewards-points

Status match: Once your Rewards and SPG accounts are linked, you’ll instantly receive Status Match across both programs.

Linking accounts doesn't work yet (coming soon).