Thanks Timo!  For those of you paying attention, the answer to my question is:

<%=PortalSettings.ActiveTab.Title%>

My question kinda revolves around my bounce back-and-forth on Wells Doty's thread on Header Tag / Logo Replacement, found here.  Essentially, I've used this in the following way...

<div class="logo-wrpr">
<dnn:LOGO runat="server" id="dnnLOGO" />
<h1 class="logo">
<a title="<%= PortalSettings.PortalAlias.HTTPAlias%>" href="#">
<span><%=PortalSettings.ActiveTab.Title%></span></a></h1>
</div>

And then the CSS (again, this is for a specific skin:

.logo-wrpr { float: left; width: 470px; max-width: 470px; height: 80px; overflow: hidden; }
.logo { margin: 0; padding: 0; }

The only reason I've used the [LOGO] token is that this markup is for a paying client who insisted on using "convetional" DNN skinobjects, rather than CSS background images.  Ultimately, I would revise my Header / Logo replacement to the following:

<h1 class="logo"><a title="<%= PortalSettings.PortalAlias.HTTPAlias%>" href="<%= PortalSettings.PortalAlias.HTTPAlias%>"><%=PortalSettings.ActiveTab.Title%></a></h1>

And then style as I mention in the Header / Logo Replacement Thread.

Thanks again, Timo for the list - very, very handy bit of info to have...

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For Logo's I prefer to use a regular image, not a background-image because it gets indexed by google as content.
I'm considering that some user might google for images and I want the logo to show up in that case.

It looks like this has already been answered, but I wanted to get one more thought/option in on this.  My reason for replacing the logo in the skin is for the slight performance kick.  As such, I removed the "<%@ Register ..." for the LOGO tag and then hard code my site's logo like this:

 <div class="logo">
  <a id="logoDBR" title="Design Builders and Remodeling" href="/">
   <img id="logoDBR" src="/Portals/0/image/logoDBR_w230h160.gif" alt="Design Builders and Remodeling" /></a>
 </div>

It is a very minor performance enhancement, but it is one less thing DNN has to do during page construction!