Where I saw the tank, it was around $700-ish (can't remember exactly), including the stand.
The
ATO is very small and would probably need to be filled daily (religiously). My BioCube 14G takes about 1/2 G daily, but I keep the lid up and a fan running most of the time. I replaced the stock pump with a mini-jet and it now runs warmer (80*-82* with the lid down). The fan keeps it around 78*.
Don