Today PDC Key Note important announcement on the Silverlight 4.0 public beta.
the Silverlight 4.0 has lot of new features and capabilities.
it is definitely less restricting environment with lot of new opportunities.
one highlight of the Silverlight 4.0 capability is running flash inside Silverlight application
including the capability of using the flash as visual brush (you can break it into separate
parts which keep playing).
if you want to lean more on this topic you can come to the SDP lecture
Silverlight – what’s new? (by Alex Golesh)