My initial thoughts are that the shirt should simply say
Aussie Pinball - I collect & Play Pinball
I dont like the wizard, wizards are used for magic shops n the like.
The logos shld include things like pinball names being, Twilight Zone, Indianna Jones, Monster Bash etc etc etc, all the top dozen pins names, as well as names like Bally, Williams, Sega, Data East, Stern etc.
(ohhh, i am just waiting to hear the copyright panic again.lol)
Shirt can be busy from top to bottom. thats my thought anyway.