Seems like slim wireless HDTVs are the CEDIA special, and LG's joining in the fun by announcing official US availability of the wireless LH-series, first launched at CES. No surprises here apart from price, they're exactly as they were when they popped into the FCC: the high-end $4,799 55-inch 55LHX has a local-dimming LED backlight, an 80,000:1 contrast ratio with 240Hz motion ruining enhancement and is less than an inch thick, while the LH85 line offers both $