V-Flyer

Amex UK and MO are currently offering 3 nights for the price of 2 between 15th Dec 08 and 15th March 09 if you pay using an Amex card.

Most of the MO's seem to be on the list [:D]

Amex are also offering double MR points for MO stays between those same dates.

http://www.mandarinoriental.com/amx

Regards