It's baffling people keep expecting a company NOT to give up good revenue. Until it actually causes detriment to the platform, Microsoft will continue charging for access to those apps.
If the differences in resolution are not immediately obvious to the layman, I don't see how they'd be visible when the screen is moving and a ton of action is going on.
Best recommendation for people with slow internet connections: buy the game digitally, borrow a disc from a friend or buy/return a used copy at Gamestop.
You'll need to buy about 10-12 games to fill up the 400GB of HDD space available for user content and by that time, Microsoft likely will have an update out which will allow storing (but not...
I see them pushing multi-tasking to a double tap of the home button to activate.