Hilton has number of websites outside of Hilton.com featuring region specific sales or weekend deals. For those that travel in the Asia Pacific region, should check out the Asia Pacific sales website (access here) every once in while.
Although the website is Hiltonhoteldeals.com, it is merely used as a skin and the actual booking is done on Hilton.com. The presentation of hotels and region specific deals on this site is better, however.
Here are the current sales:
Hilton has been quite aggressive with these region specific sales this year and offers in the Asia Pacific region have been good.