20/20 DESIGN ON A MAC

I want to buy a Mac that will run this 20/20 Design Program. What Mac should I buy and what software to run this, and can I use a laptop? Here are the System Recommendations:

Processor: Pentium III or higher
Operating System: Windows® 2000 SP3, XP Home, XP Pro SP1
RAM: 512MB
Hard Drive: 40 GB or more free space
Internet Connection: broadband
Internet Browser: Any current Internet Explorer®, Netscape® or Mozilla®
Browser Plug-Ins: Java Virtual Machine
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