[Fractint] Fastest Fractint Setup

Hi All, I have been wondering what makes for a fast Fractint setup nowadays? I have two setups for Fractint under Vista 64. One is using DosBox. The other is xfractint running under Ubuntu 64 under VirtualBox. Both have their quirks, however each generates the various FOTD fractals correctly. They are just way slower than I'd expect them to be considering the hardware I have. What I would like for the group to do is pick one of the FOTD's which is computationally intensive. Then those who'd like to participate generate said fractal and report times with a system description. Also any tweaks or suggested improvements in system setup are welcome. Roger