The Conductor (DMC350 Wireless-N Digital Music Center). Other than streaming music from other network storage devices, this is also a self-contained module with a built-in touch-screen control, stereo speakers, and even an integrated CD player. It also features a small IR remote, which is not in the photo. Check out John P. Falcone's blog post for more details.
The Director (DMC250 Wireless-N Music Player with Integrated Amplifier). This unit includes a built-in 50-watt per channel amplifier and can support speakers attached directly or provide sound feed to an external component via its line-out. This component includes a screen and small remote. In the picture the Director is connected to an iPod Nano via the Docking Station for iPod MCCI40. The docking station can support all iPods and iPhone models. Check out John P. Falcone's blog post for more details.