For a couple of years, I have used Connect360 from Nullriver to connect my Mac to an Xbox360. There is now also a PS3 in the home plus my stereo receiver can connect to media servers directly.

PS3 Media Server for Mac allows the streaming of video and other media files from your computer to the PS3, Xbox 360, or other devices over Wi-Fi. It hardly requires any configuration and is easy to ...

Universal Media Server is a free DLNA-compliant UPnP Media Server. It allows you to stream all your media content very easily with a very minimal configuration. Based on PS3 Media Server and written ...