While the submitter is correct that they have much more competition now, I still wish to congratulate the former L0pht guys on the new release!
nmap -PN -T4 -p139,445 -n -v --script=smb-check-vulns --script-args safe=1 [targetnetworks]
For more details, see the announcement at http://insecure.org.
Never ask two questions in a business letter. The reply will discuss the one you are least interested, and say nothing about the other.