I know what works for me based on EXPERIENCE not some geek site where they take photos of newspapers and brick walls.
Well, I have some experience in conducting rational discussions. And that EXPERIENCE is telling me to stop trying to have a rational discussion with someone who cannot be swayed by rational arguments.
Anyhow, thanks for the entertainment nonetheless.
Readers of this thread that are interested in understanding DOF, Bokeh and related matters, please take a look at Paul van Walree's site (http://toothwalker.org/optics.html), including his excellent free DOF calculator (which even works under Wine).