IMac Intel slow to connect to Internet

Hi there.
I am using a new 24" Intel iMac but am finding that it is taking a while to connect to the internet. It sort of sits there like it's thinking for about 5 seconds and then goes to the page. It is connected to a network via Ethernt and basically replaced an old 867 iMac which didn't have this problem. The other Mac on the network is a 1.25 G4 and that connects immediately.
I was wondering if there is a setting I need to change since I simply connected my old iMac up to this one and copied all the info over via Firewire and basically it is using the old machine's settings.
Any help gratefully received!

Think I've answered my own question. After playing around with my network settings I simply switched from my 'office' network set up to 'automatic' and now it's zipping around all over the place!

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To Apple Discussions!
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============================
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=====================
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