Manning Publications’ deal of the day for today, Wednesday, August 11th, is 50% off the electronic and dead-tree versions of their Silverlight books:
Silverlight 4 in Action and Hello! Silverlight are “MEAP” books: that’s “Manning Early Access Program”, which gives you early access to preliminary versions of a book as it’s being written (and yes, the final version as well).
To get the discount, enter the discount code dotd0811 in the “Promotional Code” field when you check out.