Satelitte Portable AutoFinder Units-Which to Buy?

Yes, it does matter that you're using Direct. King Controls and Winegard both make automatic dish models that are useable only with specific Dish receivers. Which Winegard unit do you have now, and what's the problem with it?

On edit: In saying "portable dish finder', are you asking about an auto aiming dish unit? Or a satellite signal strength meter using for aiming a dish...