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Comfort Inn Vauxhall (London) is a very, very good economy hotel, probably in no small part due to its newness. My wife and I Pricelined it for the absolute steal of $60 (USD!) per night in March 2003. Since it sounds like you are gunning for a hotel chain promotion, Priceline might not be your answer, but if you want to save big bucks and have a decent roof over your head it is. The monetary savings might well dwarf the benefits of the promotion.