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)