Well since I started the thread all along
It changed in page 2 when I started noticing problems with specific firmware versions. However along the way people have posted regarding airport signal strength which although a pain isn't as bad as what were trying to concentrate on and what Apple Ireland Support are watching this thread for.
If your new to this thread. Firsty post you firmware version. Can be found in system profiler and what mac you are using. Also post network ping results. An explanation of how to do this can be found page 2 or three.....
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Bean's I know what you mean matey. I'm using a 12" ibook for most casual browsing simply because it performs better than the imac...
Come on apple release 10.4.6 tommorow!!

Although how are we all going to feel if it isn't corrected