3 of the 7 phones in my office have updated. One went well. One changed all of the alerts and one has the battery drain issue.
you can access it through the web browser on the droid. It's not a sexy as having an app but it works.
I'll second the CalWidget recommendation!
There is Bump for the Android. I also think it'll work with an iPhone/iPod.
I like Battery Left
Battery Left Widget BETA v2.1.2 Application for Android | Tools
Separate names with a comma.