SPS ID w/video

[Nanighan]

http://www.youtube.com/watch?v=lDGXi01Xa9o

This was bought at my LFS as a maricultured frag with 2 branches. Basically white body and blue tips/ highlights. Lighting is reefbreeder par 38 about mid height. Watch in HD thanks

 

[Frick]

Acropora cerealis would be my first guess.
http://coral.aims.gov.au/factsheet.jsp?speciesCode=0016

 

[NVfishman]

a. valida