Getting back to revolvers, if I could only own one it would either be a 686 plus, 7 shot or a Model 627 8 shot Performance Center. I'd pick the one that had the appropriate trigger reach for my hands.
I wouldn't worry about the lock. If it bothers you, then you could remove it. (check out youtube for the video) I think I've also seen some people on selling plugs to cover the hole, but don't quote me.
Either way, new Rugers have a built in trigger lock, too. You just can't see it, because it's hidden by the grips. The owner is suppose to drill into the grip to expose the lock.