Who doesn't run the usual 248 HP / 252 Atk spread for CB Scizor? Personally I feel that without reliable recovery you'd have to use the Ubers Scizor with some Atk EVs diverted to Special Defence so it can tank Dragon-type attacks a helluva lot better...
The thing is, if you do that, you might as well not even use Scizor.
I made this point in the OP. If you arent going to use scizor for that CB set, then your better off using different pokemon for what your trying to make scizor do.
Take your example: Tanking Dragon hits....I could name a bunch of pokemon better at doing this.

