DEFAULT SUBSCRIPTION STATUS Group admins can choose one of the 5 subscription levels as a default that gets applied when new members join.
For my site, BP 1.7.2 and plugin version 3.3.3, the group default subscription setting is not applied to members when they join.
If this one glitch can be resolved I will be one very happy camper. Is it just me or is anyone else noticing the same problem? http://wordpress.org/plugins/user-switching/ is a handy plugin if you wish to test your own setup.