This is where I stay when I go.
http://www.tierramagica.com.mx/
I rent a car typically in PV or Guadalajara and drive to Tequila, so I'm not sure about the whole rental process there.
Try this site, maybe you find more info there... more hotels, restaurants, bars, distilleries, etc.
http://www.tequilajalisco.gob.mx/menui.html
Have fun Amigo!