Good start! The only thing I would say is that its really hard to compare all the different light types (
CF, T5,
MH,
LED, etc) in one realm like watts/gallon. Each light has very different lumen and par output, and even the bulb manufacturer can make a huge difference. I wouldn't ever say X watts of
CF = X watts of TF = X watts of
MH.
That being said, if you were just going for a general information quick guide. I think what you have is great. If you wanted to go above and beyond, you could include some more information about different light types.