Fantastic pearl of wisdom on Seth's blog about 'The Curse of Great Expectations". He describes how to (or not to) fall in the trap of benchmarking everything in your every day life and what to do about it.
To some extent this also applies to entrepreneurship: I recently spent some time benchmarking glowria.fr against competition...
I had probably better just got on with satisfying our customers and increasing our value to them, instead of wasting time on comparing how we perform relatively to others...
PS: pix from humanclock.com, a funny site...