Microsoft has announced, through their official "Imagine Cup New Zealand" Facebook page that the Windows 7 Professional RTM will be available on individual MSDNAA students websites on the 6th August, 2009, New Zealand Time.
This means, for people in other parts of the world that Windows 7 Professional will be available on the 5th of August (this may be dependent on your country settings). The following announcement confirms that it will be released on the 6th (NZT):
Ic Nz : "Windows 7 Professional will be available on MSDNAA as of 6th August 2009, and available through ELMS on the 15th of August...."
This may also mean that all Windows 7 SKU's may appear on the Microsoft Technet site at the same time - perhaps depending yet again on what country you selected. To find out what time this is in the rest of the world, click here. There isn't long left now...