Hi.
I don't know of anybody who winterclimbs there. Ask the local accommodation.
http://www.mysuseter.com/in-english
http://rondvassbu.turistforeningen.no/cabin.php?ca_id=94&fo_id=3777&lang=eng
I know there are possible to climb ice, and some mix in Drivdalen:
http://www.ukclimbing.com/logbook/ - click the map and scroll on to Rondane, and then go west.
http://www.ukclimbing.com/logbook/crag.php?id=17433
If you come up, I'll be interested in joining in on iceclimbing in drivdalen. I also know there are some shorter crags by Otta, but i haven't taken a close look.
Also, check out:
http://www.rondane-dovrefjell.no/en/