Its not completely out of the ball park.. You can build your own for half the price of a kit.
here is a kit from Home Depot
http://www.homedepot.ca/webapp/wcs/s...k=P_PartNumber
Granted it is expensive, but its also 1750watts and probably contains stuff you really do not require.
Anyways.. its an idea. I saw a few panels on Ebay for a few 100$ each one about 75w I think... a maxi jet 1200 is 20w. So for a small tank I think it might be interesting.