I felt like that when looking at Soda's list. Why was I not even aware that they played the Millenium Stadium, Cardiff back in 2006? I could have stayed with my parents and caught the train into the city like I did when I was a teenager.
I've seen just one show, 6th November 2013 in Toronto. Forty years later than I'd have liked but you have to start somewhere. The second should be Birmingham on 28th May.