Hi - I've done a fresh install of eclipse 3.3 and then flex builder 3 plugin... but it's as if the plugin isn't completely integrated.
For instance, File->New-> doesn't give a "Flex Builder Project" option... just a "Project" option... although I am able to then select "Flex Project" from the wizards dialog that pops up. Have I not installed FB correctly? This symptom is not terrible, and easily worked around, but I fear that more serious problems are also hidden within this. FWIW, I've done this install twice on a PC and once on a Mac with similar results... so I'm figuring it's something with my procedure, rather than a machine's config or bad download...