iScan uses a really neat approach to vulnerability and PAN (looking for credit card, etc.) scanning.
The EndaceProbe is a purpose-built enterprise-grade tool.
Authentify has a good solution that addresses security and simplicity of management.
Because people have behavioral characteristics, the Silver Tail Forensics 3.0 - latest incarnation of this fine tool - can catch and stop them while providing analytical capabilities for forensic analysts.
Seeker from Quotium takes a somewhat different approach to application security from most similar products.
Authenticating to a SaaS application in the cloud should be simple. It now Is.
The forsenic tool, FTK 4.0 with Cerberus and Visualization from AccessData, blew me away.
This month's First Look specializes in whole disk encryption and, unlike many other products, can do the entire process of encryption and encrypted disk access throughout the enterprise.
The NetClarity NACWall Nano is NAC on steroids, sized and priced for small and midsize businesses (SMBs).
This product was developed with the idea that executives could measure and report the state of the security tools they were using.