The Eclipse Integration build I20061219-1300 has the new Equinox launchers in it. Read all about them on the wiki, and in my email to the Eclipse-dev mailing list.
This will allow for some potentially cool things to happen in the splash screen.
I have been slowly going crazy getting this stuff working on all the different platforms. There are still problems on linux.x86_64, linux.ppc, and aix.ppc.