Either that...
...or I could buy an DRM unencumbered (might as well be these days) DVD with a bunch of extras, not have to hope that my hard drive doesn't fail (or my phone get nicked) and have something tangible from Amazon for £5.98. Until rights owners realise that people will not pay more for less they are going to have trouble selling downloads - cf. music downloads which are generally cheaper than their CD equivalents.