Google has added a new feature to AdWords, My Client Center now allows you to configure email alerts. So if you want to be notified of when an ad delivery is stopped, or if your credit card was declined, or if a cmapaign is near ending, or if an account budget is almost done, or if your budget is 80% empty, you can get these alerts prompted to you via email. What about RSS notifications? Well, not yet.
The AdWords help center says;
MCC alerts feature makes it easy to stay on top of important issues that may affect your managed client (sub-MCC) accounts. Based on your preference settings, alerts will appear on your MCC dashboard about account-specific issues such as stopped ad delivery, credit card declines and the approach of campaign and budget end-dates.
If you go to User Preferences section and click on the Edit under the Alerts section you can opt in to these alerts. It looks like this:
Forum discussion at WebmasterWorld.