While perusing the archives I came across this post that gives some advice on how to make the most of themes. Maybe some of you will find it helpful regardless of what kind of theme we end up with:

What to Do When the Theme Doesn't Work for You

Thanks go to @incobalt for this. In any case, if we end up with a "bad theme" we can fall back on the Russian proverb, "нет худа без добра" ("There is no bad without good" — make the most of what you have). Good luck to everyone.