Conclusions

Advanced warning didn't help
We had HD's exploit for a few weeks
Firewall rules, IDS signatures
Patch was available for approximately 1 month
High threat level
Large scale worm + DDoS payload
Blaster spread quickly, contained by week's end
6 hour spread time, 5 day containment time
DDoS thwarted
Potential for 1.3mil SYN pps
Blaster could have been worse