OK so I seem to have confused a couple of things.
Looking back I see that last year the GS:11 was just like this year: not fis legal at any length and sold at odd lengths like 166.
If memory serves me, two years ago (04/05) the normal retail gs:11 181 was >21m.
That explains a lot. I wondered why the fis and non-fis were marked similarly for flex, the only difference seemed to be the lack of beta channels or aerospeed on the fis skis. I didn't notice the radius change on the non-fis skis.
What's going to happen next year: non-fis GS:12 180cm radius 19m, FIS GS:12 183cm radius 27m ??? interesting
Now that I think about it, this seems like it could be a good move for atomic. In the past, the 'pared down' gs skis have been not only tigher-radius skis but softer, a combination that takes away stability in my experience.
I'd be interested to see how a tigheter radius but stiffer ski, like the GS:12 stacks up to a normal radius, but softer ski like the dynastar course comp in terms of stabilty and performance.