I disagree. I never really used anything but LaTeX/XeLaTeX to generate my CVs but I've seen what people make in text processors and it usually sucks. On the other hand, I agree, open source templates are rarely the best — and unless they are very generic I'd suggest not to use them verbatim. You don't want your CV to look like the other 50 in the pile (yet you don't want it to look too weird either).