AeroGarden Sale: Frugal Find or Silly Gadget?

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I've long been fascinated by AeroGrow's AeroGardens, which use soil-free aeroponic technology to bring year-round gardening indoors. But I'm most impressed by the array of available herb seed kits, which make it possible to grow hard-to-find herbs like chervil, epazote, and savory right on the countertop.

With all the collective belt-tightening, this might not seem the best time to invest in a kitchen gadget that ordinarily runs between $100 and $230. But right now, AeroGrow is discounting all of it's AeroGardens by at least $20, and throwing in the Herb Appeal collection and free shipping when you shop on their website. Considering that in the long run it's cheaper to grow herbs than to continually purchase them, I'm wondering if this wouldn't be a good time to finally spring for one. Cooking for Kids Guide Stephanie Gallagher gave the AeroGarden a great review, but I'd love to hear from others. Do you have an AeroGarden, and if so, how do you feel about it? Have you considered buying one, but decided against it? Comment below, or share your thoughts in my forum.