xscreensaver 4.10 out now. You have to see the Apple ][+ emulator that Trevor Blackwell wrote for BSOD: it's the most badass thing ever. He simulated a CRT: it has all the ghosting, tearing, jiggling and distortion that cheapo composite monitors have. (Run bsod -only apple2.) Also, the requisite new Matrix nonsense is xmatrix -small -crack.