Hi Informatics
I am also sending my application next month

, it is what i would send with the application ,
1. Biological photo copies of my passports old and new (During the 4 years period)
2. copies of the PR card both sides.
3. Landing paper (IMM5292) copy,
4.My kid was born here so I am sending her passport copy ,
5. health card copy
6. for English language prove I am sending the copy of my University Degree (UK)
7. Canadian drivers licence copy both sides ,
8 . R0E'S , t4s , Notice of Assessments copies for the past 4 years , since I have been in Canada for 3 years so for the first year I am sending my pay slips from UK.
9. 2 passport size pics,
10. online residence calculater, and most importand completed, dated and signed application form , hope it helped , other members can also put their suggestions ,

, thanks