If you are going to use ordinary tubular fluro lights, they need to be
adjustable in height so that they can be maintained almost touching the
foliage of the plants. I learnt this from discussions on other newsgroups
and have not tried it myself. I expect similar thing would apply to CFs.

Nope, you don't have to do that with CFs. Just get the brightest that you
can find. I have 25 watters (equivelant of 100 watt incandescent bulb, it
looks brighter than daylight in that corner). I have them 2 or 3 feet off
some of my plants. The plants grow quite well.