The National Conference of State Legislatures has compiled a list of existing, pending, and planned legislation that opposes the current federal legislation.
As part of state-based responses to federal health reform legislation, individual members of at least 36 state legislatures are using the legislative process to seek to limit, alter or oppose selected state or federal actions, including single-payer provisions and mandates that would require purchase of insurance. In general the measures seek to make or keep health insurance optional, and allow people to purchase any type of coverage they may choose. The individual state language varies.
Pennsylvania is included. The report is a 24 page pdf file.