I guess I'm a little lost here, Rob. If you keep your knives sharp - wouldn't you expect them to be sharp when you use them?
When it comes to doing something like seperating a 2-pak of something wrapped in shrink-wrap plastic - I reach for a pairing knife and just use the tip. I know my knives are sharp ... and that is all I need to slice open the wraper.
I hope you are more cautious of your fingers when using a sharp knife!