Yeah, they work alot better than just eating off of the table or out of your hands. LOL
I imagine you are a talking about satellite dishes, probably pirated ones. If so, I freakin know man, but stay out of those 590's!! They will definately lead to a severe case of the old tennis elbow.
If you can, try to get an ultimate TV receiver. Wow, to be able to rewind or pause a football game without having to wait for the networks to show a replay is the greatest thing ever. And they also have PIP with only one card.