With current setup, there is actually no point in adding a fellow blogger on to the network.
I think there should be a separate tab on the homepage for network and that should show a feed of all the bloggers on my network. Else, there is no point. I am not and not many are going to click on bloggers' profile indivually to see what they are upto in the recent times..!!
Think about it indiblogger team. I would love a feed, similar to following in blogger,subscriptions in wordpress
-San