The following web-presences of Stuttgart-Vaihingen (most of them in German language) will give you a full overview of the district itself, its history, its economy and its cultural environment.
Verbund Vaihinger Fachgeschäfte e.V. (VVF) – information about the association, events and news concerning Stuttgart-Vaihingen
Guest information for travellers and new citizens
Stuttgart-Vaihingen in the Social Web: news, events, need-to-know and interaction
Official information delivered by the town of Stuttgart
Information in Wikipedia about Stuttgart-Vaihingen