Message store meaning what?  Your post offered no solutions or suggestions on
how to not have to manually choose the right calendar every time I open it.

And do I think MS should make a product that is versatile enough to be able
to do what the user wants?  Umm, yes.  How hard would it be to right click a
calendar, choose an option that says "Make this my default calendar".  There
are lots of people that want to use an offline mailbox but have their
calendar entries go to the online calendar so others can see them.  And there
are other reasons someone might want to see one calendar over another when
they open up Outlook.  But good old Microsoft jsut makes things one way and
doesn't take into account what real lif eusers might want...

So does anyone have any suggestions that are actually helpful?