I think people will develop PPC software for a few years.

Look at the 68ks.

On the subject of money, remember that powermac g3 which I got for £35 inc postage. Well, I decided to list it's G4 upgrade on ebay and someone in Germany bought it at the buy it now price for £39.99 +£10 postage. Just got to hope that it doesn't get lost in the post now.