Hah but the seed has been planted.... It will always be in the back of your mind niggling away at you now 'wonder what the velours actually sound like.. mmm..?' You'll end up trying em. It's inevitable. And when you do, I'd be very surprised if you still prefer the pleath.
I wouldn't be very surprised if I were you; I certainly prefer the pleathers. Treble seems somehow sweeter to me with the pleathers, and the whole sound more...well, whole.