Droid-life is confirming that emails are going out stating the xoom upgrade will be in sept
Confirmed: XOOM 4G LTE Upgrade Available in September, Emails to Customers Rolling Out Today (Updated) - Droid Life: A Droid Community Blog
Confirmed: XOOM 4G LTE Upgrade Available in September, Emails to Customers Rolling Out Today (Updated) - Droid Life: A Droid Community Blog