Originally Posted by
ahallflyertalk
The first question you need to ask before upgrading your RAM is: are you currently running out of RAM? Do you truly need more?...
Another RAM hog is running a Windows environment under something like Parallels. Ideally you want enough RAM for the entire emulated RAM of the Windows system on top of the emulation software itself. That's probably over a gig total.
Wasn't it the Duchess of Windsor who said "You can't be too rich, or too thin, or have too much RAM?"
I'm pretty sure it was Bill Gates who said "Why on earth would anyone want more than 256KB?