Actually, I think they've retired the VIP designation- doesn't stop us from using it here (or calling regular elite upgrade credits "stickers")

From the "Electronic Systemwide Upgrade FAQs"
http://www.aa.com/vpupdate

Q2: How can I check my systemwide upgrade balance and activity?
A: You can contact your elite Service Desk or AAdvantage Customer Service (1-800-421-0600) for balance and usage details. We will also send you email updates on a quarterly basis, provided you are an AAdvantage eSummary subscriber.