I was just looking at something to deal with this.
This is what i came up with
@media only screen and (-webkit-min-device-pixel-ratio: 1.25),
only screen and ( min-device-pixel-ratio: 1.25),
only screen and ( min-resolution: 200dpi),
only screen and ( min-resolution: 1.25dppx)
{
body {-webkit-font-smoothing: subpixel-antialiased;}
}
This should turn off your font-smoothing:antialiased on higher res devices which should make the text look better on them.
This assumes that you have set -webkit-font-smoothing:antialiased on your body Tag
I’m wondering too, if there is a way to add to this using max-resolution in order to increase font width for older tablets etc., e.g up to 132dpi, which is iPad one and two resolution.
I also think that this whole thing would be make a really useful Action, especially for FW7 and the growth of responsive sites.