synfig RC1 has been released for testing. Please download the source files and install them just doing:
sudo make install
Or follow the specific instructions for each platform.
Use the application opening the examples and other files you can find. Try to test all the features you know how they work and report here what do you obtain
Here is my result:
Operating System: Ubutnu 8.04
Testing result: OK.
Please add your experiences here!