I'll suggest this to him.
He would probably say something along the lines of:

'I only want one'
( WormuIus, Sun 19 Oct 2008, 12:01, archived)

Then he should pick one and buy that.

( well, Sun 19 Oct 2008, 12:02, archived)

Good point, well made.
He doesn't know which is better.
( WormuIus, Sun 19 Oct 2008, 12:03, archived)

If he is only ever going to buy one of them it doesn't matter.

( well, Sun 19 Oct 2008, 12:04, archived)

He wants to buy the better of the two.

( WormuIus, Sun 19 Oct 2008, 12:05, archived)

And he doesn't know which one that is.
So if he picks one of them at random it makes no difference.
( well, Sun 19 Oct 2008, 12:07, archived)

He wants to find out which is the better of the two and buy it.
not

He wants to buy one at random and not know which is the better of the two.
( WormuIus, Sun 19 Oct 2008, 12:10, archived)

I think what i'm trying to say here is,
why don't you go ask some people who might actually know the answer to that question?
( well, Sun 19 Oct 2008, 12:13, archived)

I was labouring under the impression that this was a place where geeks gathered.

( WormuIus, Sun 19 Oct 2008, 12:15, archived)