Jim Hamm's been busy with Mavericks, don't you know. He sends us one more link with helpful information. "With the release of Mavericks Apple has enabled FREE upgrades for iWork apps such as Pages, Numbers and Keynote. Here's an article with further details. A nice touch by Apple.
"Apple has so much cash stashed away they've become quite liberal with pricing their OS updates -- as in FREE for Mavericks. Hard to quarrel with that price...(grin)." Jim