I believe that currently there is no technology limit to digital TV of any known spec. I am running the FireDTV-S2 with an Alphacrypt conditional access modul (CAM) for SKY HDTV in Germany. I get DVB-S2 with 50 MBit/s streams in H.264 coding. The quality is impressive and there is no problem whatsoever with the FW interface. So if you buy the correct access technology for your provider you should be able to have an internal solution. The access modul would obviously stick out on the rear side of the MP, but that would apply to any internal solution. I know only one hardware which uses a USB connected CAM and that did not really work when I tested it.