We have VIP211z and it has been working well for many years, added hard drive and see no reason to get a Wally. Used it initially for our manual setup residential sat. antenna, currently using it with a King dome and it starts setting itself up as soon as we plug into shore power, 2K watt inverter, or Onan genny. Since we often leave our rig unattended making it easy for others to walk away with it, we chose to roof mount our automated sat. antenna dome, it is easily removable in case we need to place it elsewhere when trees or other obstacles are blocking southern skies.