Thanks. The cables and housings are in pretty bad shape but the shifters are just not worth it to me at this point.

I have pretty much accepted that my only option is to get the Altus or go to a bike co-op, which is in a transition from an old house to a new building right now, so no help there. I have heard of people getting pairs of Altus shifters for $10; does any one know where I can get a deal like that?

Thanks for all of the help.