A good note-taking application is essential. Better if it also supports to-do lists.
I’ve been using ColorNote on my HTC Legend, running Android 2.2 (Froyo), and I think you might like it. Check it out from your Android phone: http://market.android.com/search?q=pname:com.socialnmobile.dictapps.notepad.color.note
This website and others I own are built up on WordPress,which I try to use as a CMS. When it comes to the “blog” features of a WP site, the ability to change or post on the go is important, therefore I have been exploring ways to do that on my mobile phone, a HTC Legend run by Android 2.2, Froyo. One option is to log in into the /wp-admin pages of the website using a browser, but that is not extremely practical. I’ve been using WordPress for Android and I think it’s quite ok. In order to use it, you need to allow XML on the WP admin. Check it out from your Android phone: