I have updated RAqua.pkg.sit on http://www.economia.unimi.it/R/ This version has one major improvement over the previouses: binary package installation. I have produced a small set of binary package that you can try to work with. During the next week or so we will arrange to build Bioconductor releated packages as well (so this option is not functioning yet). These packages are likely to work also for darwin R (not RAqua) but we will work on this too (for the time being you can try to copy browse.pkg() function from RAqua and adapt it). Of course, you need a setup not too different from what reported in the above URL. stefano