Just a couple more things that might be worth mentioning…
If you look at the nav bar as it is loading in IE6, you can see my links in a light color appear on top of the nav bar, then go away once the page is loaded.
Once the drop-down menu does appear (to the top right instead of beneath), if you hover over a link, the background does not change color, but in Flock and Firefox, it does…could be related. Oh, and this part is even true in IE8.
Thanks, again!