Didn't see that this had been posted yet. It's a great review of the GTS from the perspective of a sport bike rider.
http://rideapart.com/2014/05/loaner-report-2012-vespa-gts-250-ie/
Modern Vespa is the premier site for modern Vespa and Piaggio scooters. Vespa GTS300, GTS250, GTV, GT200, LX150, LXS, ET4, ET2, MP3, Fuoco, Elettrica and more.