With your CFLs...is that 150w actual, or the equivalent light output of 150w of incandescent bulbs?

With such limited headspace, lst might be your best bet. Remember, though you've gotta leave space at top for the lights/vents/filter, and space an the bottom for hydro/soil, etc....what amount of those 2 vertical feet are going to be available for the plants?

You might want to check the micro-grow forums for hints and tricks of the trade!

good luck!