Before you think about hitting the slopes make sure you build your strength back up so the shoulder recovers its strength, I would say about 2 months minimum to be perfectly sure everything is all healed. (unless you are a quick healer :P) there is a useful guide to help you build up strength here
http://www.loveskiing.co.uk/health-f...ng/upper-body/ things you can do in your own home without any expensive equipment.
Hope it helps