Mac Pro airport lags horrendously, Macbook Pro does not.

I bought Snow Leopard and installed it on my MacBook Pro and my Mac Pro, and since doing so, everything has been fine on the MBP but not the Mac Pro. On the Mac Pro, Airport lags horrendously sometimes. It seems like every couple of seconds, the wireless connection chokes up - web pages load at a snail's pace, or if I'm playing a game online it turns into a slide show for a couple seconds. None of these issues seem to occur to my MBP, which is connected to the same wireless network. Furthermore, Airport doesn't work at all when I have my location set to "Automatic" in network settings, it only works if I create a new location - all this since upgrading to Snow Leopard.
So why would these issues occur on the Mac Pro and not the MBP?

Hi Sean,
Not an Airport user myself, but I thought this might be a good page for you to look around in for a possible answer. Discussion area there too.
http://www.apple.com/support/airport/
Good luck,
Steve
Message was edited by: Samsara

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