I've done starters from US 05, kept them in the fridge for a couple months with no problems... got one fermenting right now actually.
Keg #1: Brown Bomber Bourbon/Oak Vanilla Porter
Keg #2: The Bollocks ESB
Keg #3 Lawnmower APA
Bottled: Mjolnir Mead, Lazy Daze Hefe.