Ubuntu's hardware detection on several computer setups, is questionable. You have no form of customization of the packages in the initial install. It is also has a relatively slow/poor package management when trying to install things using the package manager after the initial install.
Debian has a very powerful package management system, 'apt'. It is very relatively fast, and has great package dependency management. It also can be built from the ground up, with great support for customization.
APT
Also, you should be able to boot with the dvd-r, with the only disadvantage of it being overkill.
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"Hmm, I wonder..." *apt-get install Ferrari* "Error: Dependency not met, package 'Money' not installed." "Gah!" *apt-cache search job*
P4 2.8 ghz, 768 megs of ram, 120gb SATAI hdd, 19" Samsung Syncmaster LCD, EVGA Nvidia 6200 OCed.
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