They ask to provide updated information and to refill the following forms again once they do initial review on your file. They updated some forms in July2011 and now they send the following:
http://www.cic.gc.ca/english/pdf/kits/forms/IMM0008ENU_2D.pdf
http://www.cic.gc.ca/english/pdf/kits/forms/IMM0008DEPENU.pdf
http://www.cic.gc.ca/english/pdf/kits/forms/IMM5669E.PDF
http://www.cic.gc.ca/english/pdf/kits/forms/IMM5406E.PDF
http://www.canadainternational.gc.ca/pakistan/assets/pdfs/PakistaniNationals-Form-en.pdf
Here is what my wife received with her rePCC (before the forms were updated) thanks alot
IMM8 (Application for Permanent Residence)
http://www.cic.gc.ca/english/pdf/kits/forms/imm0008egen.pdf
Schedule 1 (Background/Declaration)
http://www.cic.gc.ca/english/pdf/kits/forms/imm0008_1e.pdf
Additional Family Information [IMM 5406]
http://www.cic.gc.ca/english/pdf/kits/forms/IMM5406E.PDF
Supplementary Information Form for Pakistan National:
http://www.canadainternational.gc.ca/pakistan/assets/pdfs/PakistaniNationals-Form-en.pdf