LaTeX is only good for one thing, and one thing only: create same-looking two-column PDFs for research/scholarly publications. And it's barely good at that. Things may have changed slightly since I last used it (cca 2008), but: combining several languages in one document (Turkish + Russian, anyone?), tables that properly span several pages, inline images, a different layout (that doesn't break languages, or tables, o…
You've got a pretty unique use-case. What's an alternative you would recommend for this kind of work?
We also tried to use latex to generate price reports, and that's where we ran into Russian + Turkish issue :)
For simple documents like the one at the link, I'd go with Word/Pages. For generating pdfs though... I still have no idea :)