I have been having an ongoing problem with my g4 recently which ended in it dying completely last week. After having all kinds of trouble just getting someone to identify the problem for me i have now found out i apprently have a dead mother board which will need replacing at the cost of get this ......£600 ish and thats just the price of the motherboard. and as a special added bonus my warrenty ran out a month ago.
i think a return to pc's is on the cards very soon