Read that:

http://www.microsoft.com/typography/tools/trtalr.htm

http://www.microsoft.com/typography/hinting/tutorial.htm

http://www.microsoft.com/typography/TrueTypeHintingIntro.mspx

...and maybe try VTT

David,

Thanks for the links - I'll look into them.

Something that slightly confuses me is the different em square measurements with PS and TT fonts. My vfb have an em of 1000 cos I'm generating OTF fonts, can I use these vfb to export the TTF fonts without changing the em, cos the em square of the TT fonts is meant to be 2048.

c.

> can I use these vfb to export the TTF fonts without changing the em....

Yes, you can. And in OpenType TT/TTF you can use any em square up to 16384.

" I’ve followed he advise in this article but on-screen fonts still seem jaggered."

I'm not sure if that means like a rolling stone...or whether antialiasing has not yet come to your screen. ;0

Sorry jaggered was the wrong word - stem widths are inconsistent