Yesterday I installed Bazaar on Ubuntu 13.10. I also installed Bazaar plugins I use but some plugins installation failed because of missing packages. In my case the missing packages were bzr-svn and bzr-gtk.
For bzr-gtk it is not a big problem since the qbzr package is still in saucy repositories.
But AFAIK there is not any alternative for bzr-svn, i.e.