From our San Francisco office:
The AAA 4-Diamond Hotel Nikko San Francisco -- two blocks from Union Square -- slashed rates to £108 (US$172) per night, including taxes, for visits between 7 February and 31 March. This 45%-off deal also includes a $20 daily dining credit and free Internet access.
For £122 ($196) per night, stay 1 April-17 May. Or upgrade to a larger room with a king-size bed for £12 ($20) more per night.
The hotel is decorated in a modern style with Asian influences. Use the dining credit for 24-hour room service or at the on-site Euro-Japanese restaurant.
Not available on: 25-27 February; 8-11, 25-27 March; 19-22, 28-30 April.
Note: For an additional £12 ($20) per room, per stay, guests can access the 24-hour health club, featuring an atrium-enclosed pool and outdoor sundeck.