i don't think i have a top ten, but here are some of my favs - some i have others i will one day maybe
A. granulosa (i don't think there are any named ones, i have two)
A. millipora (blue, pink, green, red, and many other colors - my fav my red with blue tips but i have 5 types)
A. tortuosa (both the cali and the oregon are nice but there are also others, i have both)
A. echinata (ice fire but there are others, on the top of my list of need to get)
A. efflorescens (500$ efflo and LA's kevins are nice ones, i have kevin's)
A. hoeksamai sp? (no named ones i know of, had one and lost it i need a replacement)
A. valida (there are a ton of these named tri colors, bonsai, i have an unnamed one)
A. lokani ( many named many unnamed - don't have any yet)
A tenuis (some named most unnamed - don't have one yet)
A. plana ( crayola many others, i have an unnamed one)
most of the ORA corals are not ID'ed but they are all nice like red planet, chips, pearlberry, hawkins - too many to list, have some but don't have room or i would get more