First there was email. Time passed. Then there was Gmail.
beta < 1, therefore
beta*beta < beta; ergo, it may be worse than gmail alone. But I'm prepared for any possible punishment. Gmail is just that wonderful.
The hosting solution may seem redundant for people who've setup email forwarding from their non-gmail accounts to gmail, but Hosted Gmail would seem a cleaner solution, with unlimited potential. Currently that potential begins with allowing the management of additional users. Its a start.
Dr Nic's Wish: Hosted Gmail to provide "public" access to each others' emails within your domain (or subgroups) so that knowledge that accumulates within email boxes can be shared more easily.
Gmail Hosted: https://www.google.com/hosted