Nobody will buy it because Sony will announce the PS4 around the time the new Dreamcast2 is launched.
You mean nobody would buy it because Sega will announce the 512X attachment to Dreamcast that finally bring DVD support only to be replaced a year later by the Sega Universe console.
Then Sony would announce their bid, but in so doing MICROSOFT would announce XBox 3 with Direct X16 bit and Halo 56