Ahhhhh I'm sick of people bitching about burn in! I've had my Plasma (LG, and a fucking good one mind you) for ever a year now, and never ever have I had a burn in problem, most good Plasmas are designed to refresh prolonged pixels.

Exactly, Bravias have tons of options that fix the jaggies.  My brother got a 46" Bravia LCD tv, hooked my Wii up to it and almost threw up playing Mario Galaxy.  Read the manual, discovered the options, and afterwards it looked really good.  He switched his tv out for a 50" plasma and I can't tell much of a difference between the plasma tv and the Bravia with all the tricks turned on.

Might be a little OT, but that being said does anyone know why Metroid Prime 3 looks stunning and Mario Galaxy looks great but not stunning?  Does MP3 have AA or something that is more noticeable on bigger TV's?  Similarly Wii Sports is still somewhat jaggie but MLB Power Pros (with the same kind of graphics) looks pretty good.  RE4 and Zelda TP look terrible but I think that has to do with already muddy GCN textures being made much large and much more muddy.

Burn in exists for plasmas, but what people forget is that it also exists on CRT TVs.  By far the worse cases of it, I've seen on CRT TVs.  I have a 50" plasma.  I play alot of gamecube which for some reason leaves about 3" total on the sides that it won't fill.  I also watch a bit of 2.35 movies.  After playing/watching 2-3 hours, the burn in is washed away within 5 seconds of changing the channel to something that fills the whole screen. 

My question is about my parents LCD.  They have a sharp aquos 46".  It has 4 ms response time.  I've always thought it was a quality display/still do.  It looks fabulous in 1080p and I've never really noticed issues when playing TV/movies.  But I hooked my wii up to it.  Everything looked really good and played really well.  Then we put on Super Mario Bros (VC).  And the motion blur was almost unplayable.  Something I didn't notice at all on my plasma.  Do you need to get a 120 hz LCD to avoid this problem?  I don't think the response time gets much better than 4 ms for LCD.

Have you changed the wii settings to hd (well, semi hd) and also dont run it through composite cables (red white and yellow). Buy a componant cable (red blue green red white) the cable will make a big difference.

I run a wii on a big 1080p bravia and it looks good. (not 360 or ps3 good, but thats not what the wii is about)