The agency applied for my petition I-140 on July,2005 (Vermont Center).
Today I recieved an Email saying that my case was approved.
What is the next step, and how long it will take untill I get my green card? please help me.
Nice to hear that Vermont is getting faster, as I suspected that it would. Provided that all documents are in order and nothing is missing, you could be in the US by March, or even sooner. This is just an average, so please do not hold me to it.