If you look at the Wireshark (ethereal) dump I gave in above post there is some authentication information being exchanged between boxes prior to the actual transfer taking place. If it's any help interpreting the above dump:
PC = 192.168.1.100
Bedroom S3 = 192.168.1.107
LivingRoom S3 = 192.168.1.101
Sequence followed once packet sniffing enabled:
1. Start packet sniffer on PC (with
Wireshark)
2. From Bedroom S3 browse Now Playing List of LivingRoom S3
3. Scroll down and select Grey's Anatomy and push into it's description
4. Initiate a transfer
5. Turn off packet sniffing after about 1 minute into the transfer