upon installing beta 7 I encountered the following errors:  It appears to 
be related to the Xserver.  I chose not to have to Xserver installed.  
Here's the message that was displayed to me:

>Traceback (innermost last):
>  File "/var/tmp/anaconda-7.0//usr/lib/anaconda/iw/progress_gui.py", line 
>19, in run
>    rc = self.todo.doInstall ()
>  File "/var/tmp/anaconda-7.0//usr/lib/anaconda/todo.py", line 1632, in 
>doInstall
>    self.x.write (self.instPath + "/etc/X11")
>  File "/var/tmp/anaconda-7.0//usr/lib/anaconda/xf86config.py", line 872, 
>in write
>    config4 = self.Version4Config ()
>  File "/var/tmp/anaconda-7.0//usr/lib/anaconda/xf86config.py", line 
>1098, in Version4Config
>    data = { "mouseProto"   : mouseProto,
>IndexError: list index out of range
>
>Local variables in innermost frame:
>self: <xf86config.XF86Config instance at 8285db8>
>res: 640x480
>test: 0
>mouseProto: PS/2
>maxdepth: 8
>depth: 8
>screens: 
>	Subsection "Display"
>        	Depth       8
>                Modes       "640x480" 
>	EndSubsection
>
>
>ToDo object:
>(itodo
>ToDo
>p1
>(dp2
>S'method'
>p3
>(iimage
>CdromInstallMethod
>p4
>(dp5
>S'progressWindow'
>p6