Look back on the post when Steam first came out. Many people even thought they would finally be able to delete bootcamp off their Macs

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Not me, I did not fall for that. I've got too many games in my Steam library I wanted to keep access to.
Maybe my expectations and others expectations were much to high but I know I feel somewhat disappointed. Still, many thanks to Valve for porting the titles they did.
Pre-Mac Steam compared to post-Mac Steam, it's had an impact. How many new native Mac games now that were not there before? It was a 100 or so. That is significant. I agree, a substantial part of the problem is over expectations. I expect there are a ton of games that won't ever see the light of day running under Mac Steam, so I'll just keep PC Steam tucked away in a corner. The thing is if you are hurting bad enough, most of you guys could crank up PC Steam and play that way for a fix.
Well it's tricky as Aspyr own so many of the mac ports (COD4 for example) and have been selling them online for ages. They won't like Steam coming in and selling them cheaper unless Valve pay them a damn site more than they would make just keeping the rights.
There was some sort of licensing loophole that let 2K Games publish the Digital Version of the Macintosh Port on Steam. Which is why there's no mention of Aspyr on the steam store page. As I understand it Aspyr isn't super happy about it being up, and gets no revenue from it.
So how does that work exactly? You have a PC Publisher and a Mac Publisher (Aspyr) of the same game. If it's going onto Mac Steam, but is controlled by Valve, what if the PC Publisher who all ready has a PC Steam version of the game wants to bring it to Mac Steam? When can Aspyr say "no you can't"?
The problem I see is that Mac ports typically are different in capabilities than the original PC game, either no cross platform game play (mostly, not always), it's not kept up to date like the PC version, it's lacking subsets of toolkits, mods, things of those nature. If it's going to go onto Steam, I believe they want a higher standard for cross platform compatibility. Should I go as far as say they want a mirror image of capabilities?
And I've always had an impression that Mac ports have a performance hit as compared to their original PC version. Is this still the case with games running under Mac Steam, or has it improved now that Valve is bringing over it's games to Mac Steam? I wonder if anyone has done some side by side comparisons?