New answers tagged links-list
I think you need a bit more detail but it sounds like you just need a workflow on list a than runs every time an item is edited. The workflow will then create a new item in list b copying all the fields.
Installing the Chrome extension IE Tab Multi (Enhance) did the job for me. It has the ability to auto-detect URLs so whenever I browse to our SharePoint it emulates Internet Explorer. Finally I can open Office documents directly from Chrome. You can install IETab for FireFox too.
Top 50 recent answers are included