In reply to Ellison5690:
Did the trip a while ago with my girlfriend, see my blog
http://atthedropofahatadventure.blogspot.co.uk/
We only put ropes on to practice moving and as an extra precaution when jumping the stream. I would be less cautious now I've had more experience. The ladders are long however id recommend via ferratta leashes for these as they are exposed.
The first set of ladders are indicated by Yellow paint, these are the ones we took, they are new and were in good condition. The second set, mentioned in the Cicerone things to do in Cham guide book, the Echelets are further along.
There is little objective danger en route, crevasses are visible, avoid fast flowing water and take precautions on the ladders and you should be OK. I would suggest you budget 7 hours to get to the Courvercle it doesn't take the 4 suggested!
Enjoy