Engine 5400 is out now, folks, from

http://www.mcafee.com/apps/downloads/security_updates/engines.asp?region=us&segment=enterprise

New Linux (etc) command line scanners are available from the enterprise downloads portal (grant number required)

NEW FEATURES

- It's faster than before : We've listened to
our customers who asked for a faster Engine
and it delivers superior performance to
current McAfee Anti-Virus products on all
supported platforms.

- Improved detection of existing, new and
potential threats which increases the depth
and breadth of the protection we provide.

- Delivered in a engine for all supported platforms
~ Enhanced support for Adobe Flash (.swf) file
format

~ Improved File Decomposition, helping us to
detect more threats. Including enhanced
support for the Nullsoft Installer file
format.

- 100% drop-in compatibility with existing McAfee
Anti-Virus products and DAT files. It's easy to
upgrade; just update your Scanning Engine through
ePolicy Orchestrator (ePO) and you're protected.
No worrying about compatibility.

- We have digitally signed the engine to allow its
origin and integrity to to be checked.(Windows
Only)