Yes I agree, it's a bit like mobile phones, the "in-thing" was smaller phones as technology developed, next thing you know our mobile phones are almost the size of tabletsI guess Nanos are becoming not so Nano any more ... and I see a lot of 40B's that are being referred to as Nanos but I agree maybe there should be a category called " Small Reef" in addition to Nano, and Pico, and maybe even Femto