Your on the right track. Light will be the limiting factor and you will only be able to run two of those lamps at best. Even then your pushing it without injecting CO2, IMO.
Crypts are always a good group of plants with lots of folage differences between them.
Good luck and keep us posted.
55g - Eheim 2026 and 2217 - DIY CO2 reactor - Turbo Twist 3x - Tek Light t5 pendant w/ 2x54 6500k - ecocomplete mixed with Red Sea florabase.
"Better to be shot out of a cannon then squeezed through a tube" - HST