Received the email today:
Register now at ChoiceHotels.com to earn unlimited free nights
Book at ChoiceHotels.com or 800.4CHOICE and after your second qualifying stay with arrival between August 30 and November 14, 2012 you'll receive enough Choice Privileges® points to redeem for a FREE night at over 1,500 hotels
Elite Diamond and Elite Platinum members can book through ChoiceHotels.com, 800.4CHOICE, direct at a hotel, or a travel management company, however if booked through ChoiceHotels.com, these members will receive 100 additional Choice Privileges points with every qualifying stay
Stays at Econo Lodge®, Rodeway Inn®, Suburban Extended Stay Hotel®, or MainStay Suites® hotels must be a minimum of two consecutive nights
T & C:
Free night is based on an 8,000 point Choice Privileges® reward night level. Member must register at ChoiceHotels.com before arrival and book their stays at ChoiceHotels.com or 800.4CHOICE at qualifying rates. Members may also book at a travel management company. Choice Privileges member number must be provided upon check-in. After a second qualifying stay with arrival between 8/30/12 and 11/14/12, you will be awarded a minimum of 5,000 and maximum of 8,000 points, depending on how many points were earned from your two (2) separate qualified stays. These bonus points will allow redemption for a free night at the 8,000 reward night level at over 1,500 hotels. A free night at most Choice Privileges locations requires more than 8,000 points. Choice Privileges Diamond and Platinum members who book through ChoiceHotels.com will receive an additional 100 Choice Privileges bonus points with every qualified stay during the promotional period. For Comfort Inn®, Comfort Suites®, Quality®, Sleep Inn®, Clarion®, Cambria Suites® or Ascend Hotel Collection™ hotels, a trip is defined as a stay that is any number of consecutive nights at one hotel regardless of check-ins or check-outs. For Econo Lodge®, Rodeway Inn®, Suburban Extended Stay Hotel®, or MainStay Suites® hotels, a trip is defined as a stay that is two (2) or more consecutive nights at one hotel regardless of check-ins or check-outs. Allow 72 hours from check-out for points to post. You must maintain an address in the U.S. (including U.S. territories) or Canada to be eligible for this promotion. For Choice Privileges program details, eligible rates, eligible countries and point redemption rules, visit choiceprivileges.com.
Uncapped. Sweet. And I'm including the full t&c because it looks like there are a couple of bits that are new this round.
[I have no connection with ChoiceHotels.]