> 1. How far does integration of HTTrack into KDE goes? How 
> compatible are the looks and interface use?
Most options are implemented, included the "refresh" 
screen. Same goes for WebHTTrack (with a web GUI - if no 
KDE environment can be installed)

> 2. Is there any possiblity of implementing an Offline 
> Explorer-style queue that would allow the user to know 
what 
> is being downloaded and what in the near future will be? 

No, not yet - maybe in a future release, but this would 
require some coding. But the current interface already 
shows something like that (despite more "basic")