If you simply can not wait to get your hands on Windows 7, Microsoft is offering it to students for only $29.99 at http://win741.com/
This is an awesome deal for students, well below the retail price!
The program is authorized by Microsoft and run by a 3rd party, so no worries about it not being a legal copy of windows. It lasts until January 3, 2010 so don't let this chance slip by you.
A note for Speed School Students: Eventually Windows 7 will be offered to students through the software bundle. Details about this will be posted when they are made available. The cost to students will likely be around $10 (a bit more or a bit less depending) for the optical media.