There's no reason to expect Sony to not release this everywhere the PS3 is sold, although they'll probably only do so when they've got it working. For now though, I'd only hold my breath for it in UK/Europe and Japan.
This might not be true. For instance, the UK uses 8MHz wide channels, the US uses 6MHz wide channels and Australia uses 7MHZ wide channels. Additionally, different modulation schemes are used, and so whilst Europe generally uses COFDM, the Americas ue QAM. Consequently, generally freeview systems aren't compatible across territories, even when they all use DVB-T (which also isn't prevalent in the US). Of course, there's an added complication of PAL/NTSC frame rates and sizes. Of course,