Creative has just put in line not officially or not yet official, MediaSource 3 or rather version 3.20.72 for Audigy 4, but functioning without problems with Audigy 2 Series. Includes: Announcer Settings version 1.54.08 EAX Comforts version 2.05.06 Device_Control version 1.20.08 Get it from Station Drivers.
Here's the direct links to it, but for other users if you can please goto the site first to download. Utilities MediaSource 3