Last I heard the Samsung model was forced out of development because neither BD or HD-DVD is allowing their technologies to be licensed with the competitors product. Unless this policy has changed somehow, the product announcement from LG is already dead in the water as it is already something that was announced, and shot down, by Samsung.
If it DOES manage to come out, then it will definitely be a hot seller over the single format players and would be much more likely to end up on my shelf. Right now though, I only have a space reserved for a PS3. Buying one format only at this time seems like it may end up being a waste of money.