@towne32: Yeah, the difference is certainly very very subtle, I have difficulty seeing the difference myself on my big monitor unless I know what to focus on when I switch between the two. I've checked clips using the two settings on my TV and I definately believe the latest settings is an improvement, it seems to breath more life into the film.
@pittrek: You did say SLIGHTLY more red in capitals haha I do believe you were spot on though, I find the difference fairly noticable in these two screencap comparisons below if you look carefully at the wall behind the guy and Vader when switching between the two, how there's more red amongst the green there in the new settings (its easier to see the difference with the classic settings of course due to the higher saturation):
Retro:
http://www.screenshotcomparison.com/comparison/88811
Classic
http://www.screenshotcomparison.com/comparison/88814
The extra red is also most noticable in the increased warmth of the light hitting things and lightsources, for example the sunlight reflecting off R2D2 and C3PO in the first desert shot looks warmer and more natural now when before it has more of a slightly faded photograph feel to it. The sky behind them and the clouds are also noticably more red in the new settings, as least on my monitor:
Retro:
http://www.screenshotcomparison.com/comparison/88818
Classic:
http://www.screenshotcomparison.com/comparison/88831
I can't seem to get away with adding any more red though because it starts adversely affecting the other colours, especially the blues. Its particularly noticable with the technicolor settings. I want to keep the balance of colours intact as much as possible.