Looks good, although it didn't seem to migrate my extensions and I can't see any way of manually moving them! At least it doesn't vape your Program Files folder which was a recent "bug".

Thunderbird 0.5 is also out - much quicker at listing folders etc.

The only real gripe I have with MozillaPhoenixbirdFox is that it sometimes takes an age to view the history list.. very annoying...

Gareth