@ Tonestar - No, not misinformed, but Philips halted development of that technology, and is now pursuing a glasses-based route.
@ georgejack - Exactly, couldn't have put it better myself
@ jetjohnson - No, Sky has presumably decided on the lower resolution version because it's actually possible for it to carry the service on its existing spectrum and using the current Sky+HD box.
And yes, the combination of the LG pro-use polarised monitors abd polarised glasses means the glasses cost is kept down for the pubs.
Finally no, my sweet-spot remarks were with reference to those 'no glasses' TV demonstrations I have seen.