I know, I know, you should come to expect that whenever one of these pieces go up it's usually to tell you how fast stuff has sold out, but here we go again. The SNES Classic may have had another round of pre-orders go up overnight in the US but they didn't last long.
After first going live in the US earlier this month, Best Buy opened up their pre-orders for the night-owls of the east coast and within about half an hour the thing was totally gone.
No doubt Amazon and eBay will blow up with the consoles at insanely inflated prices come launch day (September 29th).
Also, currently on Best Buy's website the 'Pre-Order' button is still highlighted for whatever reason, however this leads to a dead end so don't get your hopes up. You'll just have to forgo sleep the next time you hear whispers on the wind.