The mates at Neowin.net have some info that DX9 Beta 1 will be released soon to testers: Dear DirectX 9.0 Beta Tester:
The DirectX team would like to thank you for your patience as we prepare to release DirectX 9.0 Beta 1. We are currently working on the final stages of Beta 1 for DirectX 9.0 and plan to release it to you for testing very soon. When the beta has released, you will be sent email with further instructions. We appreciate your willingness to test DirectX and look forward to working with you.
Team DirectX
The DirectX team would like to thank you for your patience as we prepare to release DirectX 9.0 Beta 1. We are currently working on the final stages of Beta 1 for DirectX 9.0 and plan to release it to you for testing very soon. When the beta has released, you will be sent email with further instructions. We appreciate your willingness to test DirectX and look forward to working with you.
Team DirectX