Nice job also with that light bar! I'm sure the plants will enjoy the light from those CFL lamps, but the whole deal will look more sleek if you do upgrade to a strip light later on. It would probably look nice with a couple of PAR38 LEDs, too.
'Katie' will spread out some more with this nice foutnain-shaped foliage...
'Strawberries & Cream ribbon grass will fill in more, too. This plant grows really fast when it's happy.