On Sun, 14 Oct 2007 18:20:32 +0100 someone who may be John Rumm
wrote this:-

Even if is saves you £100/year that would still be a 50 year payback.

Simple payback period is not the only reason for doing something.
What is the simple payback period on a new kitchen, or replacing
fluorescent kitchen lights with downlighters?

This is one of those things that can make much more sense if you can DIY
it as it brings the capital costs way down.

That is true, as it is with most things.


--
David Hansen, Edinburgh
I will *always* explain revoked encryption keys, unless RIP prevents me
http://www.opsi.gov.uk/acts/acts2000/00023--e.htm#54