what do you want to know about them? I know they are an all in one "Contained" tank. The older models had some cracking issues, but I've heard JBJ made some corrections on the 2006 models. I know they are a great tank if your looking for something streamlined and "visually" pleasing ( I have the 12gal). BUT it would not be a suitable home for a 3" Niger Trigger
God grant me the serenity to accept the thing's I can not change, the courage to change the thing's I can and the wisdom to know the difference!
R.I.P Walena K. Cox
7/7/62 - 8/11/2002