i know for sure the 655-series has a built-in HD tuner and a cablecard slot. i'm sure that's the biggest difference as the older models were only HDTV-ready.
I am looking to buy a a rear projection TV. Can someone tell me how much of a difference there is between the Sony KF-60WE610 & Sony KDF-60WF655 LCD rear projection TV's. I know the KF-60WE610 is an older model, but I'm not sure if it's worth spending the extra money to buy the KDF-60WF655.