Bifferwine
I am a girl
I don't know about that Live Rock USA place. I've never heard of them. The reputable places for live rock that a lot of people are happy with are:
Aquarium Fish: Tropical Freshwater Fish and Saltwater Fish for Home Aquariums
Saltwater and Reef Aquarium Supplies and Equipment - Salty Critter - Your Saltwater Specialists
Live Rock - Tampa Bay Saltwater Aquacultured Live Rock
Aquarium Fish: Tropical Freshwater Fish and Saltwater Fish for Home Aquariums
Saltwater and Reef Aquarium Supplies and Equipment - Salty Critter - Your Saltwater Specialists
Live Rock - Tampa Bay Saltwater Aquacultured Live Rock