> Is there any reason to believe that HTTrack won't be
> able to grab that many different websites in one
> project, considering there will only be one or two
> pages per website captured? 

If your using winHttrack/3.32, there is a bug.  More than ~4k characters on
the url list will crash it.

But the solution is to create a file with the links and use the Multiple
Mirror action (URL list.)

<http://httrack.kauler.com/help/URL_number_sequences>