Well
Got my hands on the 15" Retina Screamer
The 13" (early 2013 build, so it's in the "new" family) was really OK... the 15" rips it's head off
And of note, both machines are SSD... still not close
In fact with or without CL on auto it makes little difference (none). And the fan doesn't even come on. It's laughing at me and saying, "...is that the best you got...?..."
Thanks Guys... you're correct, as usual...