Firstly thankyou for all your replies.
I found a webpage (located here
http://www.my-spot.com/whatkind.htm) and if you scroll down the page, he has a section where compares visual to photographing orion nebula.
http://www.my-spot.com/images/m42-vs-eye.jpg
I know i can't see that with my 6" dob, any suggestions? Thanks guys.