The best way to go is to buy a rubbermaid container, some 1/2" PVC, some jet misters, and a small pond pump w/ a filter, all which can be found at Home Depot, for under $100. I bought the $500 AeroJet system, and realized it was as simple as what as I just described, but with custom molded parts that are expensive and not neccessary. I made a system using a 525 gallon pond pump ($60), an irrigation filter ($10), a rubbermaid bucket ($5), 10' of PVC ($2) and 6 misters ($5) for four plants, but bigger Rubbermaids could hold more pots, with the same basic materials but more misters, PVC, etc. It's really easy.
P.S.- Check out my website,
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