Looks like more people are making them, hopefully the price will come down. Once it hits $100 and still has a brand, I'm buying.

$200 https://www.amazon.com/dp/B0779R3ZP...

$500 http://www.provideoinstruments.com/...

Good News is Analog on Any Channel is Cheap at $80: https://www.amazon.com/dp/B008TVN9X...

Update 1/28/18 Composit to QAM $105: https://www.ebay.com/itm/2828061960...