Question : Why sign up for Google Apps Standard?

It includes Gmail, Google Calendar, Google Docs, Google Sites...but you can use all these without signing up for Google Apps. Is there any advantage of using Google Apps Standard BESIDES multiple user accounts? (And, okay, a nifty utility for importing from Outlook to Apps)?

Answer : Why sign up for Google Apps Standard?

25GB of storage vs the normal 7~8 GB
Postini security (antivirus)
Single Sign On APIs for your existing SSO
Phone Support
And ups the limit of outgoing emails per account from 500 to 2000