I was thinking, ( always a dangerous activity).
There IS one thing that could make me switch over to the cross platform compatibility side of this argument.
That would be if the CC of Norway enforced it ACROSS THE BOARD!
My first MP3 player was a Creative Zen Micro. The only reason I have an iPod is because when I switched to Macs, the nice people at Creative Labs informed me that their sync software DID NOT SUPPORT MAC OS.
I can't even access Sony's Connect music store on my Mac. I'm told I need to "upgrade to Internet Explorer 5.5 or higher". (Upgrade to IE??? Bwahahahahaha!!! Those silly wabbits.

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I have a couple of programs I used in my PC days that are completely useless now, they won't run on Mac OS. Why not? I bought them! I paid for them! What right do these software companies have to lock me into a single platform?
I have, at last count, 317 files on my comp with the extension .xls. If I should decide I prefer to use Lotus, will I be able to open these files as is? Or will I have to take the time to convert them to XML format? Will I lose any of the custom formatting these files contain? ( I honestly don't know. I'm just beginning to learn the ODF stuff. Beside, current version of Lotus appears to be Windows only!) And these files aren't something I paid for, they are my own creations!
I'd be more than willing to see Apple surrender some iPod sales, (given the quality of the product, I don't think it would be much), if it would remove the single largest block against switching to Mac OS; the availabilty of software! Then the OS's could compete on other planes; features, ease of use, quality of computing experience, stability, etc. All of which would be, dare I say, good for the consumer?
Maybe I'm just a silly dreamer, but imagine the boon to Mac and Linux users if all these software development companies were forced to make their products interoperable, with the same functionality, and price.
What a beautiful place the world would be!