Test of offline blog editor

Something I have come across is a blog editor that would allow me more flexibility when writing for OffWing and OffWing Photo.

Let’s See how this works. I probably should have looked for something like this a long time ago.
Do any of you have any experience using a blog editor? If so I would love any comments or recommendations you have. I work from a Mac, but share you PC editors too, it might help another reader.