The economical consideratoins of his post become not untrue by that.
Back to iMac Future:
Put a 970FX @ 2GHz and an ATI 9600 AiW in it and everything would be fine. The specs would justify the price and it would be a real All-in-One.
But I think the next iMac will be a complete new maschine. As the G5 a more "industrial" design but still cute for a high WAF