Ubisoft has revealed a sequel to last year"s Rainbow Six outing in Sin City, Rainbow Six Vegas 2. The sequel (yes, it"s still set in Las Vegas) will be hitting PS3, Xbox 360 and PC in March 2008, with a new single-player campaign and "some surprises" left over for versus and co-op modes. Other than that, Ubisoft is reluctant to reveal any more about the sequel. "Tom Clancy"s Rainbow Six Vegas has been the effect of a bomb in the world of video gaming in 2006, by introducing in one fell swoop technological advance and innovation in terms gameplay," said Ubisoft CEO Yves Guillemot, in a French press release we translated on Google.