Does anyone use one? How hard is it to get to function in linux?

I am thinking of buying one so that I could connect my xbox to a serial 
modem.

Any comments appreciated.
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Robert Wultsch                   // \\        robert.wultsch@asu.edu
Linux User                      /(   )\              AIM:sheepsleep7
Don't fear the penguins          ^^-^^                  (602)6927564