Legend Gear 700 trans

Is anyone else using a LGT 700 5 speed trans. Are you having any problems? I'm having serious issues with mine and no one will give any support. Not Legend Gear, or the listed authorized dealers (which are calling themselves Transmission Shops). No one will even return calls or emails. I'm working with a local shop again and they have been great but if we need specific parts this time I may be screwed.