OK, for the record, here are the amenities listed on Hotwire: Hotel Amenities: Free Internet Smoke Free Rooms Fitness Center Restaurant(s) Business Center Internet access
I was hoping for something in Docklands closer to central London, rather than Greenwich - but everything is quite expensive that week in London. So took the Hotwire option in Docklands for a 4* at $104 + taxes and fees for 3 nights = $400 or around $133 / night. Would rather have had one of the Hiltons but the Mercure should be OK.
It took awhile, but got it for $130 / night, using the bidding strategy helpfully provided in this Priceline hotel thread. Started getting offers to increase bid by $30 or $40 around the $110 mark, but ignored these and continued with the strategy.
