First of all, a hearty WEPA to you (if you are a fellow Bori ).

Secondly, even with those nice bikes you have, a CAAD makes a great supplement bike as a trainer.
It performs as good as any entry level carbon bike (actually, better than most).
It's relatively inexpensive and is a great platform for upgrading.
It's aluminum so if you wipe out, it stands a better chance of not being permanently damaged.

On top of that, there is the ride & responsiveness that is the cake of the bike,
with it's hot looks being the icing on that particular cake. Puro Biscocho!

Plus, you can always upgrade to a carbon bike later. But, it will have to live up to your CAAD's performance
and you'll have to spend a lot more for a carbon bike to get one that performs like a CAAD.
For an entry level fee of under $1,500. for a CAAD10-5, you will have a real machine.

If I were doing it all over again knowing what I know now, I'd get a CAAD10 today and save my
pennies skipping over a SuperSix to go for a SuperSix HiMod EVO that is just around the bend.
SuperSix owners are going to get a major case of bicycle wood for that EVO when it comes out.
But I digress...