Well I've read through most of this thread and I can say that being a plasma fan, the LCD's are almost catching up. But I'm still not in the LCD camp mainly because of price and size. My current 65" plasma costs as much as a brand new 55" 7100. That's way too big of a price/size difference for a minor improvement in PQ. I was considering getting another 60+ inch thin panel set, and it looks like I'll be heading over to the plasma side.
Arguably if the Samsung was just slightly better (and judging from the pics I'd say only slightly), if you saw both of these in the store, I think the price is going to be the final deciding factor. And just by reading some of the posts here, it seems to be a major deciding factor for people here. If I was in the market for a set as small as the Samsung, I would still buy the plasma, because the Sammy beats it by a nose hair but is way more expensive. LCDs are making good improvements and has the small sized HD market locked down, but the big screen arena I think still belongs to plasma for the forseeable future.