I'm surprised who would still be buying it. considering you never know when eth team would pull the plug on it after they receive a unit. I just feel its kind of risky to buy them with shady business practice of bitmain going from 800-2200 you never know when the price drop might come
Even if Ethereum switches over to POS, there are there are other coins that use ethash. Check whattomine.
Now, where will all those GPU farms point to after Ethereum changes over to POS.