I am curious to know if anyone else has had positive experiences with tools to help for online marketing products and services. There are a ton of web 2.0 sites related to keywords, search engine rankings, analytics, leads, and other features useful in any modern marketing role. However, it seems that there are not many companies that have effectively tied these related services together. Please fill your recommendation in the comments and let me know what your experience has been.
(disclaimer - I am currently employed by HubSpot, an internet marketing company with a system that I think does a great job at tying together these different features for marketers, but I am curious to see what else is out there.)

Also, if anyone is interested in competing in the Google Online Marketing Challenge, let me know.

Thanks!

- Joseph