Help! Can I save these abused phalaenopsis?

[Missusk]

Hi everybody! I am from central New Jersey and am a newbie with orchids. As I mentioned in my introductory post I got seven phalaenopsis orchids from somebody who had to move abroad. They seem pretty dehydrated (leaves are very limp) and they have a fair amount of leaf damage – the previous owner said that she had left the orchids outdoors during the summer and they became infested with snails and slugs. So – I am hoping to post photos to get advice on how to salvage some of them – if it’s even possible!

I’ll start with the one that I think needs the most help – it seems to have lost most of its roots and what is left isn't terribly healthy. The leaves are chewed up too.