>> 10-bit grayscale,
>
> Yep, that would need some specialist drivers not used in most consumer
> equipment = expensive!

Using parts that aren't produced in large volumes? Yeah, I'd say that's 
expensive.

> Also it's probably guaranteed to some medical standards which are much
> stricter than consumer grade = very expensive.

Well, if they're going to do things like guarantee no dead pixels, that 
probably reduces panel yield.

But more to the point, I know our lab contains equipment which is 
absurdly expensive for no reason other than the guarantees attached to 
it. For example, you can buy small heating devices for mere pence. But 
our column ovens cost something like £200 each. We have a stirring 
machine which is little more than a spindle and an electric motor, yet 
that costs hundreds too.

Our mass spectrometers cost roughly £250,000 each (i.e., more money than 
the entire company makes in a decade). And yet, they all have stamped 
all over them "not for use in diagnostic procedures". In other words, we 
can use them for gathering statistics, but you're not supposed to use 
them to diagnose a specific person's illness. To do *that*, you would 
presumably need to buy an identical device at 500x the price...

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