A fence post driver is so much better than a post hole digger. Just give her a whack whack whack until it's set. Handling the wire, though....that's a bitch, especially if it's barbed. Erecting an electric fence was child's play, though.
I have a scar on my wrist from one second of not paying attention to barbed wire. Queasiness warning: I remember staring at the muscle and watching it contract until blood came gushing out. Farm life is quite something