Grey Alien: Speed Run ran fine for me when I tried it several days back. I've fiddled around more with the Make Me Happy demo and, with absolutely nothing else running, I still had one little patch of jerkiness while randomly flying the smiley around the screen. That's no big deal.
With ANYTHING else running (still < 10% CPU usage before I start the demo), I get a lot of stuttering. I've got a dual core AMD processor and I can play World of Warcraft on one monitor while watching full-screen video on the other monitor and having Poker Tracker running database queries in the background without any noticeable hiccups, so I don't know why the effect should be so severe in this demo.
SpaceAce
With ANYTHING else running (still < 10% CPU usage before I start the demo), I get a lot of stuttering. I've got a dual core AMD processor and I can play World of Warcraft on one monitor while watching full-screen video on the other monitor and having Poker Tracker running database queries in the background without any noticeable hiccups, so I don't know why the effect should be so severe in this demo.
SpaceAce