adamrice / #mediacenter

http://www.dijit.com/

remote-control software for iPhone, pairs with Bluetooth to IR gateway from Griffin

http://www.hicksdesign.co.uk/journal/mac-mini-media-centre

sounds like this setup is pretty much ready for prime time.

http://appletv.nanopi.net/

AppleTV/Front Row plugin that gives access to various media and helps organize them

http://www.thinkgeek.com/computing/drives/8e50/

Network media player. Could be something good for the living room

http://www.mh1.de/page5/page5.html

something to compete with frontrow