Just for the lulz, check this out: www.usm.uni-muenchen.de/~hoffmann/roff/tmp/dtp.pdf
(I'll take it back down tomorrow). And try to imagine some fancier fonts with this. Anyhow, as others have already said, there are other tools more suitable for this type of job than groff. Groff is great for things that can be automatized, for things that are repetitive but must be consistent and reproducible.
