The Winter's Roar website is here
Winter's Roar
You won't be able to play thought until they go to 5.5. You can go ahead and register and watch their forums for when they're going to do it.
There is no EMu Patcher anymore... just edit your eqhost and create the shortcut on the guide. What exactly is the error that you get when you try to log onto the 5.5 servers?