No telling what topic's gonna turn up at Autopia.

Here's another product to add to the list, just found this posted on another forum. Saw an article also recommending it in the Augusta Chronicle. Sounds like the Amdro, Ortho or this one are good bets.
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To keep fireants AWAY for the season, use a product called "Over and Out." It's very persistant and you apply it ONCE PER YEAR.
The active ingredient is Fipronil. If a exterminator uses it, it's about $125 or more per application. "Over and Out" is half-strength of the professional version, but lasts just as long.
I haven't had ONE fireant mound in my yard for the last TWO years using it (unlike my neighbors). I don't have constantly watch my kids to make sure they don't accidently step in a mound of ants -- unlike I might at the park or at a friend's house.
You can get "Over and Out" at Lowe's for about $20, which will do 5000 sq ft.
Find out more here:
http://www.gardening123.com/productinfo/over_n_out /default.asp