Accor has number of Private Sales for late winter/early spring going on right now at up to 50% off. The terms and conditions of each of these sales are bit different.
Note that these rates needs to be booked by January
16 21, 2014 (Accor has decided to extend the sale until 21st) and they are non-refundable and non-cancelable. Only book them if your plans are FIRM.