SigmaOS is a radical new browser for organizing tabs
Sigma 105mm F2.8 EX DG Macro now available: Digital Photography Review
Amazon.com : Sigma 150-600mm 5-6.3 Contemporary DG OS HSM Lens for Canon DSLR Cameras + Sigma USB Dock with Altura Photo Complete Accessory and Travel Bundle : Electronics
Sigma OS 3.0 - Windows Longhorn as it should've been (Installation & Demo) - YouTube
SigmaOS is the first browser folks have geeked out about in a long time