I don't think you will find an absolute choice for the box itself as most manufacturers make a quality product. One of the things I have found to be important is the ease of cleaning. This includes things like depth vs arm length, lighting fixture placement (again for cleaning considerations), sump (recommended vs an all in one) ease of access, clearance for a skimmer and water flow position (back vs side and clearance needed from the wall). Other considerations include weight (acrylic vs glass) to be supported by both the floor and the cabinet, type of lighting (programmable LED a definite plus. If you can find a light that gives you an all red option for night viewing it would be an extra positive feature).