Hehe, I totally just PMed someone this, so I'll re-copy it here
There are 3 general classes of corals we use as hobbiests...
Soft corals (aka softies) include things like leathers, zoos, palythoa, mushrooms, xenia, star polyps, sinularia, kenya tree, and many more.
Large Polyped Stony (LPS) include brain corals, hammer, torch, frogspawn, galaxea, bubble, acanthestrea, micromussa, blastomussa, hydnophora, lobophyllia, cynarina, and lots more.
Small Polyped Stony (SPS) include Pocillipora, Acropora, Montipora, Cyphastrea, Pavona, and plenty others.
In general softies are a cinch to keep, LPS are only moderately difficult, and SPS corals can be very difficult to keep. There are of course always exceptions to every rule, but those are some general guidelines. Your lighting (essentially dual full length PC's) will support any softie and do well with most of the easier LPS. Brains, hammer, torch, frogspawn, galaxea, bubble, cynarina, hydnophora, candycane, and blasstomussa merletti will all do well from the LPS category. acanthestrea, micromussa, blastomussa wellsophyllia, lobophyllia, and goniopora will all either struggle or not survive at all under that lighting. As far as SPS goes, I'd probably only try a really hardy one like pocillipora damicornis or perhaps a montipora capricornis. Most other SPS will not do well under that low lighting. Clams and anemones are unfortunately not reccomended either.
Hope that helps
