[Yossarian]

Mac OS X 10.5 Leopard to 10.6 Snow Leopard Upgrade Chart:

Processor type:	PowerPC	Intel
Upgrade Path:	Buy a new Intel-based Mac	$29.00

[Mr. Blonde]

If you wait until Snow Leopard is out you wouldn’t have to pay the $29.

[antiRepublicrat]

OS X on Intel upgrade chart (I think this is correct):

	10.6 Home Premium	10.6 Professional	10.6 Ultimate
10.4 Tiger	your choice	your choice	your choice
10.4 Tiger Starter	your choice	your choice	your choice
10.5 Leopard Home Basic	your choice	your choice	your choice
10.5 Leopard Home Premium	your choice	your choice	your choice
10.5 Leopard Business	your choice	your choice	your choice
10.5 Leopard Ultimate	your choice	your choice	your choice

Price: $29

Microsoft is making it far too confusing in its desire to segment the market to maximize profits.