I think I'm gonna go with teh Hallertau. Hadn't even thought of using that. I've got an Amarillo IPA kegged that is about 40% vienna, so I'm gonna avoid the amarillo for the moment.
I think he Hallertau is about 3.5%
10 lbs vienna
2 oz Hallertau (60min)
1 oz Hallertau (20min)
1 oz Hallertaul (5min)