I dont think anybody is turning this into an argument, there are some really well considered replys to this thread.
To me, the thing is, untill you have travelled about the country a little bit and seen a few different dogs run on different ground at all sorts of quarry, then you really dont even know what the mythical "allrounder" should be.
I have met loads of clowns who will tell you that their dog is a legend, but the reality is they are out catching leverets in the summer and setting 4 dogs on to a lamped fox etc etc.....never leave their own locality, they kill all the easy stuff