I Can See You!
Only kidding. Though I did just install Google Earth. If you have the bandwidth and CPU power it is worth a try.
Note: You may also want to upgrade your Video Card on your computer. They suggested a 3D graphics card: 3D-capable video card with 16MB VRAM.
Unfortunately, no Mac version is offered at this time. Shame on them because the Mac has always been known as a machine that can handle graphics. They must have been in a hurry to make it to market as it is an awesome piece of software.