which is the best ip scanner?Nmap?nmap can make ''resume'' ?

I have 2 windows servers(w7 and w-serv.2008) and i want to install Nmap on
both servers,so my question is: which is the best ip scanner?Nmap?wich
version?and if so then nmap can  ''resume'' ???
Another short question:
-What code to use to scan like this:
--> Scan only opened ports ,between 3389-3392 ,do not show or save  dead
ips and also avoid and this is very important the IP wich have NLA
activated,is possible this? can someone help me with this?
thanks!!!

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