I have a pair of reefbrite LED strips that are 24" that I'm selling
Short version is $300 for the pair, I would include shipping for you at that price.
Here's the thread:
http://www.canreef.com/vbulletin/showthread.php?t=83763
They would probably both fit into your hood and would allow you to keep just about everything you wanted in there, with proper placement.
If that's not something your interested in, check out ModularLED... they are a sponsor here and specialize in DIY kits