Microsoft (NSDQ: MSFT) has done an undisclosed amount of strategic investment in already-heavily backed online and now mobile HD video tech provider Move Networks. This is technically part of its third round, when it earlier closed $46 million from investors such as Benchmark Capital, as well as Cisco, ComcastInteractive Media, and Televisa. Prior to Microsoft coming in, the American Fork, UT-based company had raised $67.3 million in funding.

The company touts a higher level of quality than other video providers, including HD, and it claims to be able to eliminate buffering. Among its customers are ABC and ESPN, both Disney (NYSE: DIS) properties (hence it also has backing from Steamboat, a Disney VC fund)...it recently announced it was going to adapt its HD media player for mobile Internet devices (or MIDs) using Intel (NSDQ: INTC) processors and Linux software. Move is already in crazy-money-raised territory, and this one adds to it…more on paidContent.org.