May be you already read this
from the article
"The I140 petitions are expected to drop to an average of 8 months by the end of this fiscal year, down to 7 months by the end of the next fiscal year, and to 6 months by the end of FY2006. The plan for I-485s is a small decrease in processing times to 20 months by the end of FY2004, followed by an ambitious goal of 15 months in FY2005, and to 6 months by FY2006."
Link to article
http://www.murthy.com/news/n_relbac.html
from the article
"The I140 petitions are expected to drop to an average of 8 months by the end of this fiscal year, down to 7 months by the end of the next fiscal year, and to 6 months by the end of FY2006. The plan for I-485s is a small decrease in processing times to 20 months by the end of FY2004, followed by an ambitious goal of 15 months in FY2005, and to 6 months by FY2006."
Link to article
http://www.murthy.com/news/n_relbac.html