bind 8 scalability

[XxKosmicxX at aol.com]

I am currently looking to implement BIND 8 for NT and was wondering how many 
domains can I expect it to handle on a PII 333 with 512mb ram. I have a 
problem with BIND 4 where the server can't load more then 10,000 domains with 
the hardware spec I mentioned. 

What kind of hardware will I need to support 100K+ domains?
Can BIND 8 take advantage of multi processor system?

Thanks in advance for your help.