Reefkeeping.com Tank of the Month (TOTM) winner Paul Brune (Reefkeeper2) is using an ATS nowadays.
Equipment video, which includes his ATS
http://www.youtube.com/watch?v=jq-Xu...hannel&list=UL
Tank video
http://www.youtube.com/watch?v=97BFP...H4Y&playnext=1
Reefkeepiong.com 2008 TOTM Article
http://www.reefkeeping.com/issues/20...totm/index.php
Enjoy