The upgrade policy for CS6 was posted yesterday:
Complimentary upgrades for CS6 products
If you purchased Creative Suite 5.5 or a Creative Suite 5.5 component on or after March 26, 2012, you qualify to receive a complimentary upgrade to the equivalent Creative Suite 6 product at no additional cost when it becomes available.
See link above for for comprehensive Adobe upgrade info or the link below for CS6 specific details.
http://helpx.adobe.com/x-productkb/policy-pricing/upgrade-policy-produ ct-announcement.html#id_60845
Pattie
