Bump, pre-orders and previews started yesterday, most models sold out in less than 20 minutes. Now those models are delivered in 4, 5 weeks delay, and even some of them in June.
In China, gold Edition watches we're all sold out few minutes after pre-orders started.
There we're also mixed reviews from
The Verge,
Bloomberg Business etc.. The reviews clearly state that "it's not for everyone" and "you don't need it but you'll want it"
I pre-ordered mine, 42mm Stainless Steel with white sport band.