Join Date: Nov 2006
Location: Waterloo, Rogers Cable Internet, Panasonic 55" Plasma, Insignia 5101HD, Cisco 8642, Kaleidescape
So far I've not experienced any macro blocking with the 8642 either during playback or trickplay.
In fact, I recorded and watched The Amazing Race and playback was fine.
Perhaps you have signal strength issues? Both a weak signal and a signal that is too hot can cause issues.
My HT equipment:Epson 4030 Projector, Pioneer VSX-1028, Kaleidescape 3U Server, M500 Player, Strato, Alto & Terra