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The new fee start from 11/23/2010.

皮老師處的有的文章還是老的費.

Link is here.

http://www.uscis.gov/portal/site/uscis/menuitem.eb1d4c2a3e5b9ac89243c6a7543f6d1a/?vgnextoid=b1ae408b1c4b3210VgnVCM100000b92ca60aRCRD&vgnextchannel=b1ae408b1c4b3210VgnVCM100000b92ca60aRCRD

Good luck!