Anyone lusting after 16GB memory for the iMac can see just how much of a no-brainer it has become, in the context of overall system cost.
Such low prices might not last. While they might remain in the vicinity, there is a good chance they could begin to increase, since the prices likely represent a loss for some chipmakers. But a lot depends on the global economy.
The iMac 32GB memory kit of 4 X 8GB also just took a big drop.
The iMac 8GB memory kit of 2 X 4GB is about half the price.