Streaming isn't nearly reliable or consistent enough for me yet to ditch the DVD. Probably less than a sixth of my existing DVD collection is readily available on streaming services and even that can't be relied upon - the Stargate series and Firefly have disappeared from Netflix without explanation.
Stuff I definitely want to have to hand to watch whenever, still gets a DVD purchase.
Stuff I definitely want to have to hand to watch whenever, still gets a DVD purchase.