These kinds of things can't be taught with the kind of discreteness that I think you'd like. You need that design sense first and foremost; once you have that,

These kinds of things can't be taught with the kind of discreteness that I think you'd like. You need that design sense first and foremost; once you have that, you can sniff out the fonts that suit your design. The best way to get that "sense" is just to copy what you love - go find the most beautiful site you can and gratuitously steal design ideas. Do this until you can create by yourself. Or, just use Helvetica with big sizes and good contrast.