Found a link to a VB1 restoration blog:
http://classicgarage.net/VB1Vespa/index.html
I don't know that I can get with the final color choice, but it's a halfway decent resto blog I hadn't seen before...
FWIW.
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.