Sharpcast, who recently demo'd at DEMO, have secured $13.5 million. Sigma Partners led the investment, with Series A investors Draper Fisher Jurvetson and Selby Venture Partners aslo participating. Sharpcast are developing a product designed to keep all the digital media on your mobile and PC in sync, with a backup accessible via the web. The product has been in development for over a year and the team are planning to launch a beta in the Spring. The sharpcast founders have a good track record, having developed the Blazer browser which they sold to Handspring back in 2000.