Sounds right to me, BUT I haven't had to worry about such things in years and I can't give sound advise here...
As I understand it, carry in the car w/o permit is a no-no. I can't imagine there would be a problem with the transportation method you described though.
You coming to the group shoot?
You'll have to let us know how many squad cars they send in response to all the "man with a gun" calls!
I hope this doesn't start a open vs concealed debate - it's been done and both have valid points. Do what works for YOU.