Not yet, no (though I'd love a different keyboard). But the slightly paraphrased conversation I'm replying to is:
"Framework laptop lets you buy parts"
"They don't sell parts yet though"
"Yes they do, see the marketplace"
When in fact the marketplace is almost entirely populated with placeholders, and they do not yet sell replacements for the vast majority of parts (including the battery, which to me is the "killer feature").