There are very few things that can express your love for a piece of electronics from last century accurately enough, there's stickers, posters, altars, tattoos human sacrifices and all, but nothing says it better than a t-shirt, unless its one of those Hot Topic ones that all the kids wear now.
So the obvious thing to do of course is getting a Dreamcast t-shirt. Finding a DC shirt or jacket or whatever isn't too hard, if your size is something like XL or XXL or XXXL that is. In my case its M, so it took a while to find, and although it has an awkward fit; its too long and the sleeves too big, it still says Sega Dreamcast.
Sadly, this one came used, so I don't have the slightest clue who wore it before me, and it also cost much much more than anyone should pay for a used t-shirt (please don't ask), but once again, it still says Sega Dreamcast.
No, what you see isn't a myspace picture, but a picture had to be taken and I didn't feel like taking the shirt off just for the picture, so there.
I'll be updating lots more now, so stay tuned!