Although Oz is now my permanent home, the only time I've had a holdup at immigration before I settled here was at Sydney Airport when I stated I had nothing to declare and the bloke checking my passport looked up at my (admittedly garish) Manga shirt (Black, with a big yellow cloaked warrior emblazoned on the front - hey, they were all the rage..... once) and said 'Jesus, mate. I hope you're going to declare that bloody shirt!'
I kinda fell in love with the country there and then