What Mode

[shoe]

I have a 42HM-66 What mode do you recommend I use VIVID, USER, GAME or SPORT?

[kevinw]

User and adjust the picture with something like the THX set up on a DVD.

[57U]

For additional information which confirms what Kevin says, but goes into some more detail regarding the topic, see:

http://www.hdtvoice.com/voice/showthread.php?t=1440