Google AdWords has a new page which looks like it may become the start page one of these days... it's called the Account Snapshot and contains different info bits from different sources all in one place (similar to Google Analytics):

http://blogoscoped.com/files/google-adwords-account-snapshot.png

<<View key performance statistics and set up e-mail or SMS alerts about important account events related to billing, disapproved ads, and campaign maintenance.>> (Screenshot by Google.)
https://adwords.google.com/select/newfeatures/WhatsNew

PS: Previously, Google wrote "1 New Features!" (sic)... they changed it since.

http://blogoscoped.com/files/google-adwords-account-snapshot-2.png