Anyone really into hardware, please tell me if a dual or single CPU g5 will be able to support dozens of virtual synths at once with decent or no latency?

I would like to think it could handle massive amounts of Reaktor, Oddity or Moog Modular.

The more technical the answer the better. I know that the bus speed going from (my g4) 133 to 800-900 or 1000 mhz has to help quite a bit.

Scotty