I would definately like that too :P
I think this would be great feature as well.
One application of APM that I'm thinking powershell is the only viable alternative is dealing with hosts in different user domains (for MS platforms). As far as I have been able to determine... the only viable method for handling remote login with passwords is using local encryption via powershell.
I would think this would be a large issue with larger installations. The alternatives of hardcoding passwords or opening account restrictions is just not accetable.