.mac mail and AT&T minute usage issues?

[powerbook911]

Hi.

Is there any way to send a message on iphone with .mac and select one of your aliases to send it from? I don't like using my main .mac name.

Finally,

Is no one else able to pull up minute usage from AT&T website or via the phone by pushing start MIN pound and dialing? I think they have some kind of complete system problem?

I'm curious to see how many minutes I've been using. Thanks.