In DVD section:

- Give some directives for USB burners
- Mention K3b as possible GUI for growisofs(1)

en_US.ISO8859-1/books/handbook/disks/chapter.sgml

@@ -1479,7 +1479,10 @@ cd0: Attempt to query device size failed: NOT READY, Medium not present - tray c
 
       <para>These tools use the SCSI subsystem to access to the
 	devices, therefore the <link linkend="atapicam">ATAPI/CAM
-	support</link> must be added to your kernel.</para>
+	support</link> must be added to your kernel.  If your burner
+	uses the USB interface this addition is useless, and you should
+	read the <xref linkend="usb-disks"> for more details on USB
+	devices configuration.</para>
 
       <para>You also have to enable DMA access for ATAPI devices, this
 	can be done in adding the following line to the
@@ -1493,6 +1496,14 @@ cd0: Attempt to query device size failed: NOT READY, Medium not present - tray c
 	url="http://fy.chalmers.se/~appro/linux/DVD+RW/hcn.html">dvd+rw-tools'
 	hardware compatibility notes</ulink> for any information
 	related to your DVD burner.</para>
+
+      <note>
+	<para>If you want a graphical user interface, you should have
+	  a look to <application>K3b</application> (<filename
+	  role="package">sysutils/k3b</filename>) which provides a
+	  user friendly interface to &man.growisofs.1; and many others
+	  burning tools.</para>
+      </note>
     </sect2>
 
     <sect2>