As we blogged previously, Windows 7 RTM’d already, now available for MSDN and TechNet Subscribers.
Only English culture is available right now, reset of languages will be released on October 1st. As per schedule of GA, Windows 7 will hit the market on October 22nd.
Windows 7 Beta Testers at Microsoft Connect (Invitation only) are also getting the same, they can download and can wait for boxed product as well. Because there will be a limited amount of boxed product available Microsoft will notify you to whether Microsoft were able to fulfill your request. If not, Microsoft will automatically convert your request to a download.
For more information on Windows 7 Availability, please see this.