Re:

I saw the M&P9 Pro yesterday in two-tone stainless [silver] slide and black frame in a Cabela's. Didn't like it. Too distracting<<

I agree. On some stainless pistols, I cut a long, thin 'V' shaped piece of light sandpaper type grip tape for on top of the slide-- usually about couple inches long, for when I'm shooting outdoors or otherwise under lights. Basically, it eliminates glare. Most people aren't even aware of subtle glare and 'shine' off of stainless, but it is there. The nickel boron coated slides don't really need it as much, I don't think.