I carry a 442 back and forth to work a lot. I've tried to force myself into using something else but the revolver just fits the role I need it for better than anything else. I've been considering picking up a 640 Pro for a long time now. I want something that's a little easier to shoot, has better sights, and is generally more fun to shoot over longer range sessions. I'm apprehensive about ordering one though. Smith's QC seems to be pretty poor lately.
I've looked at the K6S in the past and now that @orionz06 is talking about supporting the Kimber I've started to think that it might be a better choice over the Smith.
What are the pros and cons between the 640 Pro and the K6S? Is there anything I'm not considering or should know in advance?