'Numbers' in my gallery was a 479Mb pz3 and rendered after a LOT of thinking about it on a P3 800Mhz machine with 1Gb of RAM. Unfortunately I didn't save the pz3 so I can't compare performance on the machine I now run. (P4 2.4Ghz with 2Gb RAM.)

Expert in computer code including, but not limited to, BTW; IIRC; IMHO; LMAO; BRB; OIC; ROFL; TTYL. Black belt in Google-fu.