[bsun]

Yes indeed. It appears to exist, with the following contents (which I assume are generic -- posting anyway, just in case it gives any incite):

<?xml version="1.0" encoding="ISO-8859-1"?>

<navgroups product="_vboptimise_dbtech">
<navgroup phrase="vboptimise" displayorder="10">

<navoption displayorder="10">
<phrase>vboptimise_resourcestats</phrase>
<link>vboptimise.php?do=resources</link>
</navoption>

<navoption displayorder="20">
<phrase>vboptimise_mainsettings</phrase>
<link>options.php?do=options&amp;dogroup=_vboptimi se_dbtech</link>
</navoption>

<navoption displayorder="30">
<phrase>vboptimise_cachesettings</phrase>
<link>options.php?do=options&amp;dogroup=_vboptimi se_cachers_dbtech</link>
</navoption>

<navoption displayorder="40">
<phrase>vboptimise_miscsettings</phrase>
<link>options.php?do=options&amp;dogroup=_vboptimi se_other_dbtech</link>
</navoption>

<navoption displayorder="50">
<phrase>vboptimise_optimalsettings</phrase>
<link>vboptimise.php?do=optimal</link>
</navoption>

<navoption displayorder="60">
<phrase>vboptimise_systemtest</phrase>
<link>vboptimise.php?do=test</link>
</navoption>

<navoption displayorder="70">
<phrase>vboptimise_flushcache</phrase>
<link>vboptimise.php?do=flush</link>
</navoption>

</navgroup>
</navgroups>