I'm not going to consider Priceline without an assurance that stays will be credited in the chain's frequent guest program. Saving a few dollars and then missing an elite tier by one or two stays/nights is no bargain.
EPS ... Folk are getting Seattle Doubletree (Hilton) Seatac in February - with successful bids of $5 a night!
http://www.flyertalk.com/forum/Forum94/HTML/003530.html
I stayed there via Priceline and got a Hilton stay credit and 500 United miles. No guarantees they'll do that for all of course. At $5 a night I would not be too fussed if I did NOT!
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Glen ~