1 Looks like Hawkins Echinata aka Turaki
2 Looks like Batunai, I have had that before and it got the fuzzy tips. One of my favs
http://sdmas.com/corals/643.php
3 Monti Spungodes
http://sdmas.com/corals/272.php
4 Red Planet (cant like to ORA today, not sure what is up with their site)
5 That will be a tough call. It is in the middle of changing growth patterns. Those new tips should be what you should go by for IDing. Which they look most similar to Lokani. but i would let it take off a little more and bring another pic back here.
6 Granulosa
http://sdmas.com/corals/33.php