@Stuntdouble. I have owned FOUR of the fuckers. One white Dreamcast was fully functional and stolen, my black SEGA Sports Dreamcast has a burnt out GD-ROM power board, my other white Dreamcast has a fried maple board, and my current white Dreamcast works but I'm not trusting it.
What seems to make them go to shit faster is running CD-Rs (either pirate games or homebrew) on them. But it was worth halving the life of your system so you can play NES and SMS on the TV again (this was pre-Wii). Sadly, sbiffy! seems to be no more, as well as DCEmu. RIP.