I saw on the right menu that it is possible to download version 0.6 but trac says that the milestone 0.6 is not completed yet and there are 16 open tickets.
Can you specify this issue?
Anyway I will wait some days more and then download.
btw: I think there are a lot of database changes in new version. Do you recomment to delete the old archive tables after upgrading in order to change the old data?