Hi guys it looks like hydor has come out with a tunze like powerhead for really cheap prices, it lacks any controller options but looking at the low wattage, and high power they seem like a decent product what do you guys think.
http://www.drsfostersmith.com/Product/Prod_Display.cfm?pcatid=15955&N=2004+2035
Model Flow Rate Watts Dimensions
Koralia 1 400 gph     3.5        2-1/4" x 5"
Koralia 2 600 gph     4.5     2-7/8" x 5-7/8"
Koralia 3 850 gph     6.5        2-7/8" x 5-7/8"
Koralia 4 1,200 gph 8.5 Â Â Â Â Â Â Â 3-1/4" x 6-1/4"
http://www.drsfostersmith.com/Product/Prod_Display.cfm?pcatid=15955&N=2004+2035
Model Flow Rate Watts Dimensions
Koralia 1 400 gph     3.5        2-1/4" x 5"
Koralia 2 600 gph     4.5     2-7/8" x 5-7/8"
Koralia 3 850 gph     6.5        2-7/8" x 5-7/8"
Koralia 4 1,200 gph 8.5 Â Â Â Â Â Â Â 3-1/4" x 6-1/4"