The company I work for is about 1-1/2 years into the life of its 1st
set of p-series systems and I was curious what sort of life-span
others are getting out of them. Everything else I have worked on
seems to have a 3-4 year lifecycle before it is "refreshed". Of
course this is usually because the maintenance and support costs after
that long are so high it is more cost effective to replace the
hardware. We have a P570 and a handfull of P550s at the moment with
some expansion comming around the corner.

your input is appreciated.