So you believe that although Nintendo spent many resources creating a better version, they shouldn't be paid for the service. That is what the Wii U version is. It has a number of features including a wide support of the controllers, a save state system, off TV Play and configurable controls. If one doesn't want to pay, they can just settle for the Wii version they already have.  Sony's system is simply pure emulation with no enhancements to improve it unless its an actual HD remake. I assume it will be the same if they use Gaikai.  Also, all those examples you stated have a secure database with a login system and require you to login before you can access your content. Nintendo didn't put one in for the Wii. They can't use the club nintendo account since not everyone who bought stuff on Wii shop channel made one before making any purchase and they can't use friend codes since you didn't make a password for it. If on their next console, they fail to do this, then there is some legitimacy  for complaining.

$7 bucks is too much for a 20 year old game that will only be playable one 1 system.  

Most of those comparisons don't make any sense. Gakai and Netflix are subscription based services. They don't charge you for the app, they charge you for the service, which is completely different from buying a digital game. Amazon's deal is a very special case in the digital industry, done specifically to promote their cloud service. Anyone who ever bought one of those CDs technically owns a digital copy anyway, since unlike games, music CDs are incredibly easy to burn into a digital format. It's doubtful Amazon lost any real money on giving many people what they probably already had. And you certainly won't see any hardware manufacturer offer you free digital copies of a physical game or movie you bought.

And furthermore, you aren't rebuying these games. You are buying upgrades. Much like how you didn't have to rebuy any apps or games across three iphones, you don't have to rebuy any of these digital games. You can still play them, free of charge. You just need to pay for the extra development put into upgrading these new games if you want to enjoy new features. Which you don't have to. I certainly don't intend on upgrading anything more then a handful.

Completely depends on the game.

You don't like the price for the value you perceive, you don't buy the product. Economics. End of story!

I'd say games like Chrono Trigger and Final Fantasy IV are well worth their asking price both in terms of content and how much you'd have to pay if you tracked down an original cartridge.

But you wouldn't be buying the game again,  you just have the option to add features to a game you already own. Let me ask you this: when you ported your iPhone apps across the different phones, did those apps get extra features in the process? If so, were those extra features that were not on your old phones free? Because the programmer/business that does that must really, really love giving away free stuff without profit.

I still use a Blackberry, and on it I purchased the Associated Press Stylebook for 2011 for $20. I can delete and redownload the app for free as many times as I want, but if I want the AP Stylebook 2012 or 2013, which are essentially the same thing with some updates and changes, I must pay for the discount price. Should I be upset that I don't automatically get the latest versions for free?

Try finding it for less on Ebay or other retailers.