Is there a blog post detailing the state of Ubuntu desktop apps (i.e. a list of apps that don't have a port)? And does hi-resolution display support work proper

Is there a blog post detailing the state of Ubuntu desktop apps (i.e. a list of apps that don't have a port)? And does hi-resolution display support work properly? I'm thinking about switching but there are certain nice things about OSX that I can't live without.