Don't worry USCIS had initially said that the process could take between 4-6 months! Just chill! I will advise you to start reading the driver licence book like pronto! Im reading it right now and I get so bored! I wish I had started before now I only have a week so I can pass the test
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California service center Application sent: 09/07/2012Arrival date:Acceptance letter: 09/15/2012
Biometrics completed: 10/12/2012 Riverside
APPROVED:11/06/2012 Applied for SSN:11/13/2012