The above can work successfully with an iMac. I am using Leopard OS - can't speak for Snow Leopard OS. I have Windows XP loaded on my iMac and use Parrallels for Mac to be able to use the iMac for Mac OS and Windows at the same time. It is possible to load Windows using Mac OS inbuilt software but Parrallels in worth the money. Prior to buying the Adventurer, I had a Garmin and with a bit of tweaking, I was able to access my Memory Maps and download routes, waypoints etc. I was a bit hesitant moving up to the Adventurer in respect of losing funcionality as I could only load my previously bought Memory Maps version 5 by dragging the contents on to my virtual Windows hard drive. When I connected my Adventurer, I couldn't access the device as it's designed to operate like a separate drive. So, at first, I couldn't down load map sections or planned routes. I was rather deflated. I then tried (in despair) to load the digital map disk supplied with the Adventurer. Happily, I could run this disk in my virtual Parallel's Windows XP by running the CD via 'Start' and 'Run'. Clicking on it the usual way doesn't cause it to run - it just flags up an error message. By using 'Run' on the 'Start' menu, the disk loaded faultlessly on to my virtual Windows on the Mac. Then, to my delight, I could see the 'send map' and 'send visible map' highlighted where previously they had been greyed out indicating this function wasn't available. I have successfully downloaded a map section to my Adventurer. Whilst Memory Map software and products are designed for a Windows environment, they can be loaded on to a Mac but be prepared for frustration and the need for patience. I haven't tried connecting my old GPS - a Garmin. I have a feeling that may not now connect but I wouldn't mind if it didn't as why would I want to go back to that device when the Adventurer is working flawlessly. It's a great bit a kit by the way. If you haven't had a look, I suggest you check one out but be warned, you'll probably end up buying one!

Glad you like the Adventurer - we do too !

I too have successfully loaded MM onto a VM running XP (using VirtualBox) on my Mac - graphics are astounding!
I have figured out how to send maps and routes to and from my Adventurer attached to the Mac (enable USB in VirtualBox).
But I have had a problem using 3D fly through - it seems that the video driver is not WHQL compatible.

Note - I have installed DirectX and enabled 3D but dxdiag (diagnostics) tells me that the driver is not correct.

Any ideas how I might get round this? I don't see the driver (VBoxdisp.dll) with WHQL logo available anywhere.

Cheers