Cheapest 1 TB SSD on Amazon: $350 Cheapest 1 TB HDD on Amazon: $40 Expecting a 10x drop in prices in 1 year is ludicrous. Even if the prices follow a pseudo Moore's law and fall by half every 18 months, you're looking at at least 5 years before they reach parity. And in the meantimg HDDs would have gotten cheaper; so expect even more time for parity. In other words: ain't happenin' in 2016.
Let's look at the sweet spots, because that's really what many people will buy: Best $/GB HDD on pricewatch.com: $0.024/GB for 2TB at $48.95 Best $/GB SSD on pricewatch.com: $0.387/GB for 240GB at $92.95 That's a 16x price increase, not 10x.
For example, this 240GB OCZ ARC 100 is $70 ($0.292/GB) after promo code and mail-in rebate:
https://www.newegg.com/Product/Product.aspx?Item=N82E1682022...
Or not counting mail-in rebates, this 480GB PNY CS111 is $152 ($0.317/GB):
https://smile.amazon.com/dp/B00TIJMEV2/
Found via PCPartPicker: https://pcpartpicker.com/parts/internal-hard-drive/