There is already a deal active for 10% but it's not valid for 2015.
Hotels.com has some good rates for a few hotels, and 10% off makes it sweeter.
The T&C's are linked, but pertinent bits are:
* Not valid for some chains
* Does not accrue welcome rewards.
—extract—
TNQ, Whitsundays + worldwide deals 48 hours only - Save up to 50%*
Save 10%**Take an EXTRA 10% off your next vacation
HC10N88 Book now
Book now
Book by November 2, 2014 for travel between September 29, 2014 and September 29, 2015. Bookings made with the 10% discount coupon, won't be eligible for Welcome Reward™ nights and most major chains are excluded. See full list here.
Are those welcome rewards worth it? I already collected four nights and will need to book about 8 more for my trip to Hawaii. Now I'm undecided if I should keep collecting those or use the 10% offer…