I'm getting my TV delivered today, and was wondering what other owners are using for their settings, seeing as how my AVIA is not yet here. If you could list your before and after values, that would be incredibly helpful! I did a search and nothing seemed to show up.
I agree on break in...my 57S500 is about 2 weeks old now and it still seems to change a bit every day. I am constantly tweaking the settings (almost there now) I would give it a week or two before you start worrying too much about Avia.
I have found that High color setting looks best on my set. I turned down my settings to the following