MS Press in Singapore right now has a great offer if you’re a member of any of the technical communities in Singapore. Buy a book online from www.mspress.sg and you get a 30% discount if you’re a member of any of these groups:
Singapore Windows IT Pro Users Group Singapore Professional .NET Users Group Sharepoint Professionals Group Small Business Server Users Group SQL Server Users Group
You also stand the chance to win prizes like Office 2007, xBox and Windows Home Server.
Detail about the offer and what promo code to use is on Dennis blog