You will find some interesting papers and presentations from the 2008 CARO Workshop, here:

http://www.datasecurity-event.com/downloads.html

Some titles:

Emulation: how low will you go...
Anti-unpacker tricks
Anti-Emulation Through Time-Lock Puzzles
IDA Pro & obfuscated code
Hump-and-dump: efficient generic unpacking using an ordered address execution histogram
Unpacking, an hybrid approach
Runtime Packer Testing Experiences
Exepacker blacklisting: theory and experiences
Dealing with Virtualization packers

really nice head-up. thanks mate

Very interesting Articles indeed. Thanks for sharing this information!

Thanks dELTA!

Regards,