(While I could be wrong on this) It seems to me the main reason Poser's memory management isn't that great is because the program was originally developed when there was far less memory computers could use (What was the average memory on a computer 10 years ago?).

And since the original developers probably didn't think they'd have to worry about running the program on a computer with 2 gigabytes of memory, they didn't really design the memory management portion to utilize that much, either not thinking there would be computers with that much memory, or figuring that it would be handled as soon as it became an issue.

Really, what use would it be for a program today built to have a memory access limit of 20 Gig? No home computer can come close to that at present, so better off keeping things within current memory limits.

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If you're joking that's just cruel, but if you're being sarcastic, that's even worse.