Microsoft targets enterprise via Windows Embedded Handheld.

"Microsoft announced the launch of Windows Embedded Handheld, a new software platform developed to meet line-of-business scenarios and boost mobile workforce productivity. According to Microsoft, the goal of the initiative is [to] enhance key workforce applications by integrating more immersive user experiences like touch or gesture response, in addition to boosting mobile device connectivity to Windows-based PCs, servers and enterprise services. Releases under the Windows Embedded Handheld brand will roll out later this year, based on Windows Mobile 6.5 and bolstered by management and security features."