Looks like my NameCheck was complete and I finally received my interview letter today in the mail. Here is my and my wife's timeline for Dallas:
PriorityDate : May 30, 2006
FingerPrint : June 29, 2006
Interview for my Wife : July 14, 2006
Oath for my Wife : Sep 20, 2006
Applied Passport for my Wife : Oct 10, 2006
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Interview for me : April 3, 2007
PriorityDate : May 30, 2006
FingerPrint : June 29, 2006
Interview for my Wife : July 14, 2006
Oath for my Wife : Sep 20, 2006
Applied Passport for my Wife : Oct 10, 2006
......
......
Interview for me : April 3, 2007