Guitar Hero III for DS confirmed.

"Although it was speculated to happen, the reality of Guitar Hero III coming to the Nintendo DS was not 100% set in stone. Now, though, it has been fully confirmed in an interview with Charles Huang, co-founder of developer RedOctane. When asked about the latest version coming to DS he mentioned that not only is this definitely happening, but the team is working with Nintendo on current issues in the development process."

Full Source: Cubed3