MultiTask The iPad gets a lot of flack for its inability to multitask, but this app eases the pain. For only 99 cents, you can have a Twitter timeline, an RSS feed AND read blogs at the same time.
TweetDeck for iPad TweetDeck is the best tool for organizing the people you follow into lists, and managing multiple Twitter accounts. Make sure all your followers know when you've written something great!
WordPress Wordpress is hands-down the best platform for blogging, period. The iPad version is easy to use and does just about everything.