Hoesit,
its worth your while, been using it since 2008...
Cons - adverts
Pros - tons of them, email, docs, sites, shared calendar, forwarding imap/pop ... there is plenty
You can setup a dummy site [use the real name etc] when you happy go live, point MX records etc and wa la...
BTW, you limited to 100 users, you can request more. Register for the pro version.. its like $20 per anum per user of something
the Premeir info...
With business feature enhancements, integration capabilities, an uptime SLA and personalized support, businesses count on Google Apps for Business to sharpen their competitive edge.
Enhanced application features
25 GB of storage per user, customizable spam and virus protection and the ability to remove ads make Google Apps for Business a better business email solution. Google Calendar is business-ready with resource scheduling.
Integration with your IT environment
Google Apps for Business ties in with your existing IT infrastructure. Support for single sign-on, user directory synchronization, email migration, email routing and email gateway are included.
99.9% uptime SLA
With Google Apps for Business, we guarantee that your services will be available at least 99.9% of the time, so your employees can stay productive.*
Personalized support when you need it
Google Apps for Business includes telephone support for critical issues, plus email support.
Play nice,
Igs