Even with the outcome of XL I never regretted going. The few days leading up to the game were a blast, even being in Detroit. I know we were vastly outnumbered, but I remember that being part of the fun of it. When the Steelers had the ball we were still 12th man loud. Had more that one Steelers fan tell me they couldn't believe so few people could be so make that much noise. If we were to make it again this year, I know we would be much better represented.
Also, XL was probably the strangest Super Bowl ever. The entire city of Detroit went out of its way to turn into Pittsburgh north because of the Jerome Bettis story, one for the thumb, blah blah blah. Even our hotel in Ann Arbor was decked out in Black and Gold and treating all the wasted Stealer fans like royalty. I don't see any similar storyline like that playing out this time and if we make it I'd say we'll be immensely more popular with the general public than we were last time. This team is about as baaaaaad as they come, while the XL squad was considered soft and lucky to be there.
I would strongly encourage anyone with anywhere near resembling the means to do so go represent this year if we make it. We're on the verge of something BIG as a team and fan base from a public perception perspective, and taking that next step to being one of 'those' teams will only happen once.