I think these will sell faster than anything has previously. The hole left by nVidia's lack of stock combined with all the scalping has made driven demand into overdrive. Every person on the planet that wants a GPU is buying tomorrow.
This is simply the price people can afford to pay. There is even more room for AMD and Nvidia to charge higher prices. They could bump prices 25% and sell out. Scalpers are making money at those prices.
I'd expect prices to continue to increase. On everything.