Yes, it's the Linux ver like Zaurus. I Googled it and found a whole page of Zaurus apps, including two or three emus, but they're a little out of date.
A page with the internal specs of the Archos PMA400 is here
I think the prospect of just trying to use the Zaurus-apps is a tricky one. But I'm willing to try anyway! Thanks for your reply and any advice/help. This has been a long time coming for me! Here's hoping!
> If it's Qtopia over Linux like the Zaurus, I would assume most Linux emus would
> port pretty easily.
> Of course, how good they ran would depend on the CPU and stuff, and I don't see
> that listed.