What's more is that you can set the dimensions on the Options bar of the final crop
somewhat like a context aware scale - limitless possibilities especially for scaling images to fit for website design for example.

(
maiden is filmed before a live studio audience,
Sun 24 Apr 2011, 14:57,
archived)
i knew about the size of the output
but didnt realise about the perspective - very handy :)
(
Rev. Jesse. broke his ankle,
Sun 24 Apr 2011, 15:02,
archived)