I asked Marc Morris about this because when he speaks I believe him! Here's what he reckons:
"US players can't play PAL dIscs, even if they regIon free. They'll need to get a multi-region player than can transcode PAL to NTSC to enable it to play on a US TV set (by default US TVs can't handle PAL, unlike European TVS which handle PAL and NTSC).
Amazon have a vast selection of such players - search for code free DVD player.
It should however be playable on US PC..."
Thank you Marc