My fren and active foss-nepal group member Zico and his squad from Bangladesh have gone quite rebellious. They wore a (debian) linux t-shirt, went to a M$ event and stayed there whole day long. Have a look http://www.flickr.com/photos/mohibsshot/
He told me that the M$ guys were askin them why do they prefer open-source? What's the bug in Vista?
C'mon we all know Vista IS the bug!
I'd also posted this thing in FOSS-Nepal google groups, and the thread got really heated. Infact i'd asked Zico before posting as it was sure to be flamed but he said okay ;)