Installing Oracle Blues

I'm back at it: trying to install Oracle on Windows 7. I have found a couple of sites that I will be using as a guide.

Quick Guide:
http://docs.oracle.com/cd/E11882_01/install.112/e24283.pdf

Full Guide:
http://docs.oracle.com/cd/E11882_01/install.112/e24186.pdf

Backups and recovery:
http://docs.oracle.com/cd/B19306_01/server.102/b14220/backrec.htm
http://www.dba-oracle.com/concepts/rman_recovery_database_spfile.htm