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Do you have a favorite font to fall back on when doing a rush job, and you need things to just snap into place without much trial and fiddling? Personally, I find Caslon to have a strange, almost magical ability to set and harmonize the page with very little effort on my part. I find that it works for both titling and body, sports a large character set, handsome smallcaps, and lovely italics.
If the rush job calls for a serif, I usually go with either Univers or Myriad, but these never set without some fiddling and polish.