There is a system that will stream (was it Orb?) that will do to Wii as well (it is limited, as it has to transcode everything to flash streaming on the fly). You could potentially run this on the GB-PVR box serving the directory where there recordings are.
* Rogers Analog Cable [Canada]
* Hauppauge WintTV PVR USB2
* IBM Thinkpad T42 / 1GB Mem / Centrino 1.6Ghz / 60GB HD / ATI Mobility Radeon 7500 + VGA/DVI out * MCE Remote + Keyboard * Win XP SP2 / GBPVR [Latest version. always]
* Pioneer HDTV via VGA (1360x768)
* MS Remote Keyboard
* Logitech Harmony 880 [via MS Remote Control Reciever]