If you have multiple displays, BlueStacks promises to be even more awesome. You can run BlueStacks on one screen and your other Windows apps on the other. Performance did not seem to be affected by this.
BlueStacks also interacts directly with the Windows filesystem, so you can use it to view your Pictures folder using Android's Gallery if that's your thing.
Even on the consderably less powerful Eee Pad 121, we did not notice any slowdown. To see just how fast BlueStacks is for yourself, check out our hands-on videos below. You can read more about BlueStacks at their website and sign up for the chance to be an alpha tester on their Facebook page.