It is still available at other retailers.
It is still available at multiple retailers in the US such as Alto Music, B&H Photo, and Vintage King.
Yes I’ve seen that as well. I assume since there is a production run of only 500 that it may sell out soon. Although its possible that there might be more than 500 made considering that with the Geddy Lee MiniMoog there were more MiniMoogs produced than the advertised production run of 500.