Konquerer doesn't depend on Mozilla last I heard.  That's why you need the khtml library for it to 
work.  Also, you can have multiple versions of Mozilla installed.  You just have to create a new 
shortcut to the new ver. and you may have to copy your profile into the new directory if the 
installer doesn't do it for you.
There should be new/updated Mozilla libs w/ the package.  Thank god it doesn't mess w/ the rest of 
the system like other browsers.

—------Quote-----
Well, there's a problem in that the installer doesn't do things the same way 
the Mandrake (and presumably RedHat) RPMs do, so it doesn't exactly replace 
the underlying Mozilla libraries and such for the rest of the 
Mozilla-dependent browsers like Konq.  I don't really know if the are linked 
to the Mozilla libraries or if they have their own compiled versions, but the 
"new" Mozilla goes in it's own little directory and doesn't play with the 
rest of the system.

Brian Kelsay