It looks like Martin recaptured his record recently in Egypt. More about that at:
http://fksa.org/showthread.php?t=4520
I spoke to Martin about it today on a dive. It is amazing all the energy and planning that go into these attempts. He described this cave at about 170 ft. that passes from the sink hole into the Med. He paused on ascent for a photo op! Hey, it's casual, right?!