A while back the topic came up either in the IRC or on the list  about wanting to run an X11 app on a Linux server, and view it on a windows machine.  Someone suggested Cygwin, but I just came ac across something else that might do the trick.  From their site:
<br><h3 id="head-1"><a href="http://www.straightrunning.com/XmingNotes/#sect-1">Xming X Server for Windows</a></h3>
Xming is the leading free unlimited X Window server for Microsoft Windows (XP/2003/Vista).
Xming is fully featured, small and fast, simple to <a href="http://www.straightrunning.com/XmingNotes/#head-13">install</a> and because it is standalone native Microsoft Windows, easily transported <a class="external" href="http://en.wikipedia.org/wiki/List_of_portable_applications">
<img src="http://www.straightrunning.com/XmingNotes/moin-www.png" alt="[WWW]" height="11" width="11">portable</a> as a <strong>Pocket PC X server</strong>. It is totally secure when used with <a class="external" href="http://en.wikipedia.org/wiki/Ssh">
<img src="http://www.straightrunning.com/XmingNotes/moin-www.png" alt="[WWW]" height="11" width="11">SSH</a> and optionally includes a special <a href="http://www.straightrunning.com/XmingNotes/#head-145">PuTTY SSH client
</a> and a <a href="http://www.straightrunning.com/XmingNotes/portableputty.php">portable PuTTY replacement</a>.
<p>
Xming is <a href="http://www.straightrunning.com/XmingNotes/building.php">built</a> for Microsoft Windows (32-bit x86) from <a class="external" href="http://xorg.freedesktop.org/wiki"><img src="http://www.straightrunning.com/XmingNotes/moin-www.png" alt="[WWW]" height="11" width="11">
X.Org</a> source code kept current and secure with updates for <a class="external" href="http://gitweb.freedesktop.org/?o=age"><img src="http://www.straightrunning.com/XmingNotes/moin-www.png" alt="[WWW]" height="11" width="11">
X11R7.3</a>, <a class="external" href="http://freedesktop.org/wiki/Software/XKeyboardConfig"><img src="http://www.straightrunning.com/XmingNotes/moin-www.png" alt="[WWW]" height="11" width="11">XKB</a>, <a class="external" href="http://freetype.sourceforge.net/index2.html">
<img src="http://www.straightrunning.com/XmingNotes/moin-www.png" alt="[WWW]" height="11" width="11">FreeType2</a> and <a class="external" href="https://bugs.freedesktop.org/"><img src="http://www.straightrunning.com/XmingNotes/moin-www.png" alt="[WWW]" height="11" width="11">
Freedesktop Bugzilla</a>. My <a href="http://www.straightrunning.com/Xming/">patches</a> are applied and the code cross-compiled with <a class="external" href="http://www.mingw.org/"><img src="http://www.straightrunning.com/XmingNotes/moin-www.png" alt="[WWW]" height="11" width="11">
MinGW</a> and <a class="external" href="http://sourceware.org/pthreads-win32/"><img src="http://www.straightrunning.com/XmingNotes/moin-www.png" alt="[WWW]" height="11" width="11">Pthreads-Win32</a>.</p><p>
Ongoing Xming development is essential because its predecessor projects, <a class="external" href="http://freedesktop.org/wiki/Xming"><img src="http://www.straightrunning.com/XmingNotes/moin-www.png" alt="[WWW]" height="11" width="11">
Freedesktop Xming</a>
and <a class="external" href="http://x.cygwin.com/"><img src="http://www.straightrunning.com/XmingNotes/moin-www.png" alt="[WWW]" height="11" width="11">Cygwin/X</a>, have lapsed.</p><p>
Xming is mostly a derivative work and has many licenses e.g. the zlib
license, LGPLv2 for Pthreads, MIT/X11 for all PuTTY tools and the
pixman library.
The Xming server is licensed <a href="http://www.straightrunning.com/Xming/COPYING">GNU GPLv2</a>,
but repackaging and/or redistributing any part (or whole) of the Xming
website, documentation, images, executables or installers, by the
internet, other projects/products or via media such as CD&#39;s, without
asking permission, clearly acknowledging the contribution of &#39;Colin
Harrison&#39; and providing links to <a class="external" href="http://www.straightrunning.com/XmingNotes/"><img src="http://www.straightrunning.com/XmingNotes/moin-www.png" alt="[WWW]" height="11" width="11">StraightRunning.com/XmingNotes/
</a> and <a class="external" href="http://sourceforge.net/projects/xming"><img src="http://www.straightrunning.com/XmingNotes/moin-www.png" alt="[WWW]" height="11" width="11">SourceForge Project Xming</a> will be regarded as a breach of copyright.
</p><h3 id="head-11"><br></h3><br>