Today we provided details about the roll out of the Marketplace for Windows Phone 7.
If you have already registered for the marketplace, you should have received an email today asking you whether your application is ready to publish. If this is the case, you can respond to the email, to get the opportunity to publish your application early. You have until October 6th to respond.
Some key dates
Full details can be found here ( http://windowsteamblog.com/windows_phone/b/wpdev/archive/2010/10/04/rolling-out-windows-phone-marketplace-for-launch.aspx )