Backup EBS instances, export Route53 zones to S3, copy AMIs and snapshots across regions.
Breaking down your spend on AWS by service and service components.

Account advisor for your AWS environment.
True multi-region management for AWS. Manage resources in all regions on same page.
Notifications as Twitter DMs
Notifications via SMS (can be sent international numbers in most countries)
Easy to access service overviews.
Cloud-watch charts for all metrics.
Simple and intuitive console for your AWS resources.
Spending charts for each service, and you can slice and dice by time periods