Hi, I have a iMac (PPC G4) running OSX Tiger 10.4.11. I have just upgraded my broadband connection to the Virginmedia 100MB Service. For some unknown reason the maximum speed I get from this service is around 20-25 mbps! A Virgin technician checked the connection and the hub is receiving the max 100mb. When he connected his laptop (PC) to the hub he also achieved maximum download speed of just over 100mb. How is it my iMac is not achieving this. Is it now too dated and the Airport Extreme card is not powerful enough, or is it down to processor speed? Any advice would be greatly appreciated. Many thanks.