I currently use a LX2500, but I am planning to upgrade. One option is a MX7000. Does anyone have an opinion regarding the sound? Besides watching TV I am also using the LX2500 in speaker mode for listening to music from the link system and I really like the sound. If I used an MX7000, what would be different regarding sound? I will not have the opportunity to compare the sound with the two TV sets next to each other and would appreciate if someone has an opinion.