NEC aren't alone in providing 'downgrading' to Vista owners, several are on offer from other suppliers.
And the UK government has advised schools against upgrading to Vista and Office 2007, too.
yes it's an improvement in technology - but implementation is iffy
do you remember when XP came out? .... 8 and 16 bit software and hardware stopped working (one chum had just spent almost �300 on scanner and printer .... 3 months later - upgraded to XP .... no drivers .... no intention of writing any .... he was offered �30 in vouchers to buy new compatible kit......)
Vista is the same - but more so ... it's an OS for new machines with all new software
most problems I've seen are due to ppl not checking BEFORE they jump or trying to use old XP utils.
I'm in a privileged position .... I run a quad core machine with all new software (it goes with my job) .... I couldn't (wouldn't)afford to do it myself.
and if I'm honest .... I run virtual XP machines for a lot of things.
The change in technology from 98 to XP was probably a much bigger leap than that from XP to Vista, but I don't remember any of the major PC manufacturers offering downgrade options.
but equally many of the corporates stuck with 98 nt4 and 2000 until late 2006 or even q1 of 2007. (we still have 15% running 2000)
I remember waiting 3 months or more before applying hot fixes - the change in security threats means we now install 1 week after release. Even the servers are rolled over with (what used to be regarded as reckless speed).
We haven't considered Vista yet - except in sales departments (where "sexy" over-rules sense).
but our many of our external customers jumped within weeks (which is how I justify my kit).
with all the interest in virtualisation ... (even IBM are running virtual farms now)
my vista machine is running 2xp machines (one core each)
and I have 2 cores on the main. ..... we all get on well