Some useful links related to Victory Spark and its company Bushiroad:
The official (Japanese) home page for VS TCG
The "Bushilog" (blog) in English. VS news included
The official (Japanese) home page for SVSM TCG
Weekly VS radio programme in HiBiKi radio station
An informative, text-heavy Japanese wiki for Victory Spark
Chinese blog that regularly post translations for Sunday VS Magazine cards
A Singapore-based website, dealing mainly with translations for Weiβ Schwarz; another Bushiroad's TCG
Wiki translations site for Bushiroad's Cardfight! Vanguard. Quick to update, along with an active growing community.
Japanese site that has a fairly consistent price list of the cards in the current VS market
And if you happen to reside in Singapore, here are some links to the stores that you can visit for VS products:
The Anime House, Pomo B1-17
Kurocha!; at East Point, Simei
Sunset Way (Clementi), and Sunshine Plaza
Rapid Culture; at Funan DigitaLife Mall
Or if you are a VS player in/near Waterloo, Ontario, Canada, check this club out:
University of Waterloo