For the L0pht question;
1. "John The Ripper" (Multi Platform)-> Cracks only the LanMan hashes, notify that JTR is case insensitive in cracking the hashes, so you may try to find the correct case mode yourself.
2. Alec Muffet's "Crack 5" (UNIX platform), you will need the NT extensions with that prog.
3. Paul Ashton's "LSA Secrets" might be helpful if you have local access.