Welcome to AmigaOne X5000, cehofer.
I bought an A1X5K a few months ago and have been getting to know it pretty well. There are bugs, for sure. Reading your threads I decided to reply to this one first. They've done a good job with making it A4000-like. Good idea with copying from A4000 and adding assigns first. Don't bother with CDs and floppies if it works with your A4000 3.x. Always go that way, first, as you're noticing and add to the S:User-Startup.
I'm going to look again at my PageStream also, and check it.
If and When you want to get the E-UAE Emulator running, don't settle for what's stock installed from the Extras CD. It's too limiting and very, very, verrrrrry slow even for the speedy X5000. I've updated the package and have it running my Classic A4000 stuff very well...minus my CSPPC's zer060 and PPC. The front end RunInUAE needs updating because it causes the emulation to slow. When emulation is running, exit RunInUAE and the speed will be back. It's a tip... Hehe.
FinalWriter is cool.
I solved Pagestream 4.0.8 running native on OS4.1FE. I tried to install via the CD. I got an immediate error saying that the Font:_bullet:plugin.types was missing required for truetype fonts. I copied the _bullet and _bullet_outlines to fonts from my A4000 and Pagestream opened no problem. I was able to open previously created documents.
The only thing I had to do was assign the directories of Pagestream in the user-startup. I need to mention that I did this without installing from the CD. I just copied my PS dir from the A4k.