I've had a couple of M27s and have sold or traded both. I much prefer the more utilitarian M28.
When a gun is too pretty to shoot, its value to me is diminished, so I'll go with the 28 every time. I have both 4" and 6" guns, and I'm happy with them. If I found a 98% Highway Patrolman in either barrel length for three skins, I'd have to send the power company an apology and an IOU.