Sharpening software

[MCRich <m.rich@visi.com>]

Anybody have a clue as to the existence of supplementary
sharpening software, i.e., beyond Photoshop's USM, but which
could be used as a PS plugin or freestanding application?

Indications abound that more sophisticated methods/algorithms
exist, some of which may be incorporated into proprietary
scanning or printer software.  The only hint I've seen of a
potential Photoshop-compatible solution is KPT Convolver,
which is apparently either comatose or dead since the
MetaCreations/Corel deal.  And when KPT Equalizer was being
given away the general drift of opinion was that it was worth its
price. 

Or should this be a non-issue?  Is PS/USM's capability so close
to optimal that only the terminally anal would obsess on doing
better?   After meticulously applying PS/USM to my images with
methods distilling the sagacity of the known universe,  the
residual fuzziness still causes an itch.

Mike Rich/Minneapolis
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