Just thought I'd toss this one out there. The menu takes a little getting used to and I haven't really tested on a mac yet, but I think its kinda clever. Also, I customized a bunch of virtuemart stuff... yikes.
Kinds regards to everyone and thanks andy for the superb templates.
As far as the menu system goes - I used a custom exmenu module template with some css/js that I wrote specifically for this site and include as part of the site template, though I bet they could be included through the exmenu module - i just never looked into how. I provided a zip file with the relevent files to create the menu plus a readme on how to do it.