Preparing for CISSP:Here are my two words, might help for your CISSP prep.
My Date : April 2005
Changes Since :A new topic on Application Security has been added into the 10 domains
Time :4 to 6 months
Books Covered :1] ISC2 Official Guide for CISSP ( 1st Priority )
( http://www.amazon.com/Official-ISC-Guide-CISSP-Press/dp/0849382319/ref=sr_1_1/104-1441772-1525525?ie=UTF8&s=books&qid=1202456055&sr=1-1 )
2] Shon Harris
( http://www.amazon.com/CISSP-Certification-All-One-Guide/dp/0071497870/ref=pd_bbs_sr_1?ie=UTF8&s=books&qid=1202456103&sr=1-1 )
3] Wiley - CISSP Prep Guide ( good as aux. info, can do without it )
( http://www.amazon.com/CISSP-CAP-Prep-Guide-Platinum/dp/0470007923/ref=sr_1_3?ie=UTF8&s=books&qid=1202456134&sr=1-3 )
4] cccure.org ( Good to cover corner concepts, limited use cosidering actual exam questions )
( http://www.cccure.org/ )
5] Hal Tipton - Information Security Management Handbook ( Awesome resource - only if you have >= 6 months )
( http://www.amazon.com/Information-Security-Management-Handbook-CD-ROM/dp/1420060457/ref=sr_1_3/104-1441772-1525525?ie=UTF8&s=books&qid=1202456055&sr=1-3 )
6] Michael Overly Guide ( for last 15 days )
( http://www.cccure.org/ )
Study Plan :Would recommend giving a serious 4-6 months of dedicated effort, completing the ISC2 official guide first. Then Shon Harris, and then the rest if time permits. Prepare in a group. For the last 15 days refer Michael Overly.
All the best.
My Favorite Topics :Cryptography
Application Security
Telecommunication and Network Security
Physical Security