Google Apps Going Corporate

Aiming at Microsoft, but without the same level of functionality, or breadth of products, Google Apps - Corporate Version will be for corporations who are willing to pay a subscription fee of a few dollars per person per month.

I presume they will get a of SME customers (nothing wrong with that), but few if any large corporations would trust Google enough to do something so important to a high enough standard - because after all, Google is a search engine.