Don't own that camera so I can't offer any feedback. I can say that the old manual 35mm Canon AT-1 was a great camera, but that camera would be 30 years old by now.
Can't even comfortably give you any advice, since I'm not a professional photographer and I don't take pictures of my vehicles or my customer's vehicles for display or publication. I am full of opinions and I can ask some questions.
1. Is this camera primary use for auto detailing related work?
1a. Will you be using it for preparing a physical portfolio and/or for posting on the internet?
My OPINION is that this is quite a financial outlay if the above is the primary purpose. (Of course you could be rich and $900 is pocket change). For just taking pictures to post on the internet, the camera looks to be overkill. I'm thinking that a good photographer can do wonders with a lesser camera, but an expensive camera won't make a bad photographer a good photographer.
Troy, I've found that even with my eyes while the LCD screen viewer can be a blessing it can prove problematic when the ambient lighting doesn't cooperate.