Here is an email I received today. For those who have purchased the beta & full version of OS X thru Apple Online store. Please hold your order for the upgrade disk, You may save $160 .
As one of the early adopters of Mac OS X from the Apple Store, you
undoubtedly share our excitement over the recent release of version 10.1.
This major upgrade to Mac OS X delivers dramatically enhanced performance, a
refined Aqua user interface, and unprecedented support for digital media
and devices including DVDs, MP3 CDs, MP3 players, printers, digital cameras
and DV camcorders. Everything is faster: applications launch two to three
times faster; Aqua menus are up to five times faster; re-sizing of windows
is up to five times faster; and file copying is up to twice as fast.
We will be shipping to you a complimentary copy of the Mac OS X v10.1
Instant Up-To-Date upgrade package which will include a Mac OS X v10.1
upgrade CD, Classic Mac OS 9.2.1 update CD and a Mac OS X v10.1 printed
manual.