Howto install Ubuntu and MythTV

HEXUS.com has a nine page article covering the setup of Ubuntu 7.04 with MythTV. It also covers the use of uPnP to share your library with Windows Media Player and has a short section covering what to expect in MythTV 0.21.

MythTV as UPnP server

There is currently a lot of activity going into creating a page on the MythTV wiki describing the UPnP functionality. There is also a growing list of UPnP devices, with user reports of how well they work with MythTV.
Currently the list looks like this:

D-Link DSM 520
Denon AVR-4306
IO-Data LinkPlayer2
Buffalo PC-P3LWG/DVD
Galaxy 3500 [...]