I luv me some Tony Hill. I think him and Luther are probably my two favorite characters when it comes to crime drama.
In recent years I have been more of a fan of criminal shows than cop shows. Leverage, Trailer Park Boys are two examples that come to mind.
Not a very reliable source, I know, but Wikipedia quotes Davies' Twitter-feed to the extent that there will be made one more episode next year. I too loved this show for the reason you mention up-thread -and because it shows that you can make a crime-mystery very entertaining without blood and scarred bones
I will second the earlier suggestions of Bones and Murdoch Mysteries. Last I checked they are both on Netflix instant watch. I started watching Bones from the beginning last year, and it quickly became one of my favorite TV shows. A little slow in the first 4-5 episodes, but after that it really took off in my opinion.