I agree. Hacked rpms are the worsed thing you can do to an rpm distro!
I disagree, most need the base devel at minimum for drivers. Nvidia etc...
aslo, then, looks like mandrake needs to go back to 4 cd's ;) and quit spimp'n on the average user in hopes to make a sale ;)
I also noticed, with your first terminal output, that you were installing an .src.rpm. Again, remove everything in the rpm cache and urpmi config, get a real mandrake mirror, and try again. There's nothing wrong with rpm distros or urpmi, once you learn the rules.