i think it is more like...
you buy an apple computer, you get a free osx and ilife with it.

that is, if you buy one now, you'll get osx 10.4 and ilife 06 for free.
if you buy in june or sept, you'll probably get 10.5 and ilife07.

ok, here is the direct quote by apple in regard to this matter

http://store.apple.com/Catalog/US/Images/MacOSX103.html

1. General. The software (including Boot ROM code), documentation and any fonts accompanying this License whether on disk, in read only memory, on any other media or in any other form (collectively the "Apple Software") are licensed, not sold, to you by Apple Computer, Inc. ("Apple") for use only under the terms of this License, and Apple reserves all rights not expressly granted to you. The rights granted herein are limited to Apple's and its licensors' intellectual property rights in the Apple Software and do not include any other patents or intellectual property rights. You own the media on which the Apple Software is recorded but Apple and/or Apple's licensor(s) retain ownership of the Apple Software itself. The terms of this License will govern any software upgrades provided by Apple that replace and/or supplement the original Apple Software product, unless such upgrade is accompanied by a separate license in which case the terms of that license will govern.

i get dizzy from reading this, but i hope you all know this inggrish language