I have...but I think I just entered a nearby college, even though I wasn't attending.
NookGardener, it might be that B&N finds NookStudy and Nook for Windows 8 have higher purchase rates and lower piracy rates.
Lots of PC users have a somewhat 'liberated' attitude towards copyright.
On the other hand, people who enter closed ecosystems tend to be OK paying for stuff.
Or perhaps it's just a different team working on Nook for PC and it isn't up to date yet.