If you happen to use wordpress as your blogging platform like me, then you might have gone through the awful first release of WordPress iOS app and then its consecutive releases making it better and better. And the latest update aka WordPress 3.1 probably makes it the best blogging app out there. Do check out the feature the new update brought along :

★ Major UI Refresh!
- New sidebar menu for quick navigation.
- Sliding panels on the iPad for greatly improved navigation and ease of use.
- Updated colors and graphics.
- Improved sign up experience.
- New app icon.
★ Support for Post Formats.
★ WordPress.com Reader and Quick Photo added for the iPad.
★ New Simple post preview feature for the iPad.
★ All-new WordPress.com stats.
★ New WordPress.com Friend Finder feature helps you find your friends blogging on WordPress.com.
★ Landscape orientation support throughout the app.
★ Easy access to your site – view it and access the web dashboard right from the app.
★ Last but not least – many reliability improvements and performance tweaks.

If still not playing around with it, do download it from iTunes Store Link, its free and its awesome.