Lion apps opening previous files When I open apps like Textedit, Preview or MS-Word in Lion - they also open documents that were open last time I closed the application.

Is there a way of stopping this? Generally if I'm opening an app I'd like it to, as most, give me a new blank document or file...
This is the resume feature of OS X Lion.

You can use TinkerTool do disable resume on a per-app basis.

Besides this, TinkerTool gives you access to additional preference settings and allows to activate hidden features in the operating system.

I've also explained how to disable resume using the Terminal here.