I went with Coralife T5 fixtures, my install on them looks like this...
As you can see I used 2 fixtures, so 4 bulbs in total. They are very cheap, and replacement bulbs are also very cheap. The 6700k has an amazing spectrograph, with a spike between 420-430 and tons of output around 620 through 640 which should keep all your plants happy. Just a matter of keeping the intensity high enough to make colors come out. That being said, they are only 21W on my 36" bulb, and they are a couple inches off my vivs, I do not measure even a 1 degree difference between inside and outside the viv. EDIT: Added spectrograph so you can see what I mean.
They install nice and clean as well.
