Also, when threads become very long (as I suspect this one will), posts which visually stand out provide a kind of reference point when you're going back looking for some snippet of information or other.a "mass of rolling white text" just gives one a headache if it is read at all.
Using color to note "key points", that will be caught by most, and then if there interest, the lines in-between read.
Tim
That doesn't mean everyone should do it all the time of course, or else we'd be back to square one.
As you were, gentlemen...