Having operated heavy jet aircraft pre-CRM, would have to say that I personally have not changed the way I operate.
The First Officer (and Flight Engineer) always are consulted with regard to flight planning, fuel, wx, etc...and prior to takeoff (if I am PF) a brief takeoff briefing is concluded with the phrase "standard company procedures and calls".
Works for me anyway.
CRM courses that I have attended have been generally well presented (except a few), but do feel that accident/incident review and discussion should be emphasized and the "parlor games" should be eliminated.