Windows 7 Home Premium or Professional only £30
Posted: Fri Sep 25, 2009 10:23 pm
the catch is you need to be a student in the UK (or US). 
sourceStudents in the US can pre-order their copy of Windows 7 in the US starting today and students in the UK can pre-order their copy beginning on September 30th (pre-ordered copies will be available for download beginning October 22nd). Australia, Canada, France, Germany, Korea and Mexico can participate in this offer on October 22nd (Windows 7 GA)