Good. As much as indie games are good there is a ton of junk listed on xbl. Think back to when Greenlight started without a fee. There we so many garbage games trying to get green lighted. Also look at the app store for Apple. It is cluttered with terrible apps. Filter out the bad and keep in the good.
It shouldn't be backwards compatible. If you already own a 360 than why do you need bc in the new system? Oh yeah you want to trade it in to "save money" on the new system.
http://www.gametrailers.com/videos/22qgg3/pach-attack--the-next-xbox--pachter-s-xbox-rumor-ratings Pachter says it best.
Web definitionsA massively multiplayer online game. A computer game in which a large number of players can simultaneously interact in a persistent world. Just saying.
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