I've been doing some test using URW's Kernus 3.0 and... call me whatever you want but I've found that it generates surprisingly good spacing. It's not perfect and there are always some few letters that I would space in a different way, but IMHO you can save time if in the first stages of development you use Kernus and just correct its output when necessary.
It's a pity that there is not an OS X version.
At the moment I am not using it to generate kerning because I rely more on MetricsMachine (and I like it that way).
![]( "Image: http://cd8ba0b44a15c10065fd-24461f391e20b7336331d5789078af53.r23.cf1.rackcdn.com/typeboard.vanillaforums.com/editor/64/jrgakgii15ph.png")
It's a pity that there is not an OS X version.
At the moment I am not using it to generate kerning because I rely more on MetricsMachine (and I like it that way).
