Dirk released Rcpp 0.8.6 to CRAN
The file runit.stats.R contains several examples of using them.
We have also started developing Rcpp 0.8.7, which will depend on the next version of R (R 2.12.0) since it will use some of the features it will introduce. More on this later...
Dirk also blogged about the release, including the relevant NEWS extract.