The King George, about 60 yards away from the away end, is a decent boozer and where most away fans congregate. They show the early kick off football and there will be a decent sized group of friendly Alty fans in there on Saturday lunchtime/afternoon. The Good Catch chippy opposite the ground is a fabulous place for some chips and whatnot before a game.
If you're around Alty Town Centre then The Bricklayers Arms on George Street (and if you want food then Eat Fresh opposite serves great food at a decent price) or Costellos in Goose Green which does a great selection of locally made ales in a friendly environment.
All fans are welcome in the Noel White Suite (underneath the main stand) before and after the game.