Modern virtual machines aren't emulated in the traditional sense, though. They act as a pass-through layer to allow code to be executed natively where possible. AMD's and Intel's latest chips even have special components designed specifically for virtualization. So, while there is a small performance hit, it's practically negligible. It's gotten so good that many full-scale web servers actually run in VMs! At the software company where I work, we have about a dozen production servers that are purely virtual machines. The web site that I manage independently in my spare time also runs in a VM.As for X-Bomber? It almost never drops below 50 fps. Here's looking forward to future releases!