I upgraded to Ubuntu 8.04 Hardy Heron over the weekend. The process was relatively painless, and some of the upgrades made little, but nice, improvements.
Finally, the UPNP media rendering functionality in Rhythmbox is working!
To set this up, you need to access the command line, and install the pyhton-coherence package:
sudo apt-get install python-coherence
Once installed, fire up [...]