> But, one more question, what PDA would you recommend for 
> running HTTrack? I have not been able to find any PDA`s 
> with linux-powered OS

Sharp Zaurus ?
The commandline version, httrack, should at least compile 
fine. You can also install a limited Debian distribution:

<http://pocketworkstation.org/>
<http://www.killefiz.de/zaurus/showdetail.php?app=842>