I was all ready to buy an LT42HVi when I found out it doesn't have QAM. Dealbreaker.
Especially combined with some of the other niggling issues this set seems to have. Pity, because I really did like it at the store. Guess I'll have to wait around and see where the price for the 542i goes, and how it stacks up once people start getting them. I actually kind of liked the glass. Definitely made me feel more secure about the tv...
EDIT: BroChaos - some questions about the 542i:
1) Just double-checking - the 542i does have QAM like the other 5 series, right?
2) Does it have SPDIF digital audio out? Is the tuner capable of receiving 5.1 audio from tv, for output to a receiver? These are both pretty important to me as well.
3) When can we expect availability?