UbuntuPre-installed
Official Canonical System Builder Partners
Ships World-wide
http://shafetech.com Offers Ubuntu preinstalled desktops and laptops.
http://system76.com (Costs a tad more for shipping outside US, and free shipping promotion only valid in the US as well)
North America
http://www.linuxcertified.com/linux_laptops.html Offers Ubuntu preinstalled laptops as well as Linux training/consulting services.
Europe
Asia
Australia
South America
Africa
National Coverage
Please add a link to your country's relevant wiki-page here.
Sweden
http://wiki.linuxportalen.se/index.php/Letar_du_efter_datorer_med_Linux_eller_utan_operativsystem
Unsorted
Where do these ship to? Please move this to the correct place above. http://www.shoprcubed.com/ http://tvease.net http://cosmoseng.com/cgi-bin/cosmos/index.html
Other lists
A very good list: (Although not Ubuntu-specific) http://lxer.com/module/forums/t/23168/