It is already possible to control your pc and your play car with Nokia N900 remotely. Now you can remote-control your Mac Mini, MacBook or MacBook pro with the help of the N900 and its CIR port.
Watch this demo video to get more infos
Visit Maemo.org package page for more infos. The package has been developed by Thomas Perl
http://www.youtube.com/watch?v=j-ig6YJ8nh4
