Re: QuickLoad
Some people run their Macs in a dual-boot config so they can run the few legacy PC apps that are either not ported to the Mac platform or that don't have suitable equivalents (like QuickLoad).
Option B would be to run VirtualBox, which allows you to run a Windows operating system within a virtual sandbox on your Mac -or other *nix based OSes or even within a different version of Windows if you have something that is really tied to an older version. For personal/educational use it is free to download and use. I use it to run certain things on my Macbook. Win XP Home edition runs full screen flawlessly. My laptop is several years old, so it chugs a little running a full GUI operating system like XP inside a virtual machine, but it works for things like running the occasional Quickload simulation. If you wanted any kind of performance for regular use, I'd say better hardware or true dual boot would be better options.