If you're going to go through all the trouble of typesetting a business card in LaTeX, you really ought to use Computer Modern Roman so that folks know you typeset it in LaTeX. (Related; resumes in CMR always have +10 credibility.)
Computer Modern is now one of the most overused typefaces on the planet. It looks great for that “Victorian-era American-style math paper” look. People should mostly avoid it otherwise, IMO. There are plenty of better alternatives for typesetting pretty mathematics. * * * More generally about the thread here, TeX is not a productive or effective tool for making business cards or other heavily graphical documents. The…
I'd hardly put Computer Modern in anywhere near the same category.