Looks like 3 states have filed similar violations of the 10th Ammendment to Washington. AZ is a short read, but if you don't want to read all of NH, scroll to their 6 points at the bottom.

http://www.azleg.gov/FormatDocument.asp?inDoc=/legtext/49leg/1r/bills/hcr2024p.htm

http://www.gencourt.state.nh.us/legislation/2009/HCR0006.html

http://apps.leg.wa.gov/documents/billdocs/2009-10/Pdf/Bills/House%20Joint%20Memorials/4009-State%20sovereignty.pdf

yep, Ive heard of several states doing this now

www.campaignforliberty.com was covering some of it awhile back