Why not Hyperdeck Mini?

So I was thinking about how the BMCC was based off of the Hyperedeck Shuttle 2 and I thought why not make a Hyperdeck Mini based off the BMPCC technology. Imagine a mini ProRes recorder that records to SD cards, has HDMI in and out, SDI in and out, as well as cross conversion between the two just like the Hyperdeck Shuttle 2, and the size of a DSLR batery grip. I currently have the BMCC and BMPCC, and I also use many other cameras. All of these camera could benifit from such a device. The BMCC and BMPCC could benifit from the signal cross conversions and the redundant or proxy recording ability. The other camera's could benifit from the ProRes codec as well as the signal cross conversions.

It'd be even better if it ran off the same EN-EL20 batteries as the BMPCC.