Old thread being bumped here. Georgian College does have a bridging program. I haven't looked into other schools. If you're from Ontario you can take the bridge program and write the provincial RPN...
Read, read, read, read :) That's about all I can tell you! We are using Marieb's book too, I think the 7th or 6th edition in no particular order. We'll be finished in this (2nd) semester. Right now...