Do we know yet how/whether the Sky HD set top box will handle SD material? It seems likely that customers will be able to use only the one box for all programmes, SD or HD, so it seems reasonable to assume that there will be DVI or HDMI output of SD material. The question therefore arises, in what form and at what level of quality will this be? And, specifically, will it render redundant the practice of doing SDI mods on old V1 Sky boxes because there will be a ready-made digital output on the new hardware? Or will it, for example, cock it up by only ever outputting a progressive signal which prevents one from using an external deinterlacer? And will the box have upscaling abilities?