I just began my N-400 process
1. 04/04/09 - Mailed app
2. 04/06/09 - App received by USCIS
3. 04/16/09 - Check cashed by USCIS
4. 04/20/09 - Receipt notice
5. 04/25/09 - Fingerprint appointment notice received
6. 05/05/09 - Fingerprints taken (poor quality, rejected by FBI)
7. 05/20/09 - Fingerpint appointment 2 notice received
8. 06/04/09 - Fingerprints 2 taken (ok, this time)
9. 06/11/09 - Interview (on 07/20) letter received
10. 07/20/09 - Interview passed
11. 07/25/09 - Oath (on 08/21) letter received
12. 08/21/09 - Oath, applied for passport
End of a long journey.
Good luck to all those who are patiently waiting...your time will come.
Will keep updating this...