CBT Nuggets BSCI video– by Jeremy Cioara
CCNP BSCI Official Exam Certification Guide, 4th Edition – by Cisco Press
GNS3 network simulator – open source
2611 and 3640 routers
My (latest and greatest) BSCI Study Notes available here – feel free to correct me, add missing details and comment on my dumb list of topics.
Update: I’ve taken the exam on March 13th 2010 and passed. I wrote about it here.