Priceline says it provides exclusive rates for Tonight-Only Deals. HotelTonight says it makes "special arrangements" to secure "phenomenal rates" at up to 70% off at some of the "hippest downtown hot spots." Neither guarantees a room type. You can get some nice last-minute rates and have the security of knowing which hotel and where it is using either Priceline's Tonight-Only Deals or HotelTonight. Tonight-Only Deals tend to skew toward widely recognized brands. HotelTonight tilts toward boutique hotels. There can be hyperbole about the size of discounts and exclusivity when it comes to booking hotels online. That's true with Tonight-Only Deals. Get the full story at USA Today