> I can get httrack to mirror the site onto my hdd, ok.
> Is there any way to get Httrack to update those 'old 
pages' 
> which are in my copy but not longer linked by the main 
> page ?
Humm, not easily, unfortunately. The 'do not purge old 
files' may help you a bit, BUT I suspect that you'll get 
some linking problems anyway :(