A first preview of R-1.9.0-alpha is available at http://www.economia.unimi.it/R and it is a framework build. This version includes all the supported .dylibs needed to run R itself apart for the tcl/tk libs that can be installed according to what the same page says. But you don't need to install these last if you are upgrading from RAqua 1.8.1 please report GUI strangeness/bug as soon as you can. Jaguar testing is also welcomed. stefano