Microsoft has released Microsoft Expression Encoder 4 Service Pack 1 (SP1)

This service pack provides support for for GPU encoding to H.264 with CUDA-based NVIDIA graphics cards, live template support, and live screen capture, among other features, as well as bug fixes and stability enhancements.

Please note: Some features, including GPU encoding and live template support, are only available in Expression Encoder 4 Pro.

For more information, see "What's new" on the Expression web site.

  Microsoft Expression Encoder 4 Service Pack 1 (SP1)