So, after discussing my issues with the IT guys at work, since I'm already running Parallels and Windows XP Pro on my MacBook, I can do what I need to on the Mac as far as work's concerned, so I'll, in all likelihood, get rid of the Dell XPS. So, basically, I haven't solved the issue of the Dell not connecting to my current wireless network, but it really doesn't matter!

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I'll drink your poison if you fill the cup. You make me crazy, baby, don't let up.
Break Free, DMB 2006