http://www.techradar.com/news/snes-classic-edition-is-back-at-gamestop-and-thinkgeek-today

Much as many customers feared in the wake of the NES Classic Mini shortage, the followup SNES Classic Edition sold out almost immediately following its release late last month. 

Fortunately, if you missed out, a new batch is already on the way to video game retailer GameStop.