Bringing this over from the old thread but not that it is needed as much as before as
Radioman ^ is doing an awesome job of keeping this thread up to date. but always good to have another reference
My roundup of offers has been updated again plus you will now find individual hotel links for each hotel that has an offer so that you don't have go through the process of searching for a hotel.
www.frequentflyerbonuses.com/priorityclub.html
Enjoy and of course your comments are always welcome.