I'm delighted with the performance of my Sim2 HT300 projector, but I've noticed that on certain dark scenes on a couple of dvds (the Diablo driving across the bridge in Bedazzled and night time indoor scenes in We Were Soldiers) the blackest parts go very "blocky" as if the digital processing was trying to work out what was going on. Has anyone else noticed this? I've viewed the same scenes on my Panasonic 36" TV with no noticeable artifacts, so I believe it is a projector related issue. Also, without really understanding the workings of such things, would it be a noticeable improvement generally to replace my ageing Pioneer 717 with, say a 757 and use prog scan? Wouldn't that bypass the Faroudja chip in the HT300? At the moment, the 717 is connected via RGB. thanks.