It would seem with the announcement of the RBN that HMX has "officially" cemented their intention to create a full-blown, option-filled, platform (even in the face of their first standalone game(s) being released). I see it as an excellent thing, even though I am on a PS3 and can't help but be nervous about how "select" and how "few" of the RBN tracks will make it to my music store...time will tell.
For the purposes of this post I am going to go ahead and assume that HMX is working on RB3 (let us not get bogged down on whether this is the case). I would also assume (and I think I've read) that RB2 tracks were licensed with the mind of eventually being exportable. Therefore, by the end of this calendar year there will be close to 1000 HMX-charted songs available for the platform. If RB3 drops September of next year (with a RB2 export), HMX keeps up their current DLC output, and RBN produces at even a rate that matches HMX's output, we'll be looking at darn near 2000 songs (and who really knows what RBN will do). Even people who only buy the base games would have easy access to 250+ songs from the main games alone.
In short, what effect does this influx of music and the ever growing size of our libraries have on how the next main RB title should be formatted? Has it changed what features are most important to you? What should the world tour structure look like in RB3? Should RBN bands be incorporated into the tour? Challenges? What features should RB3 now include that would make the RBN an even more awesome addition to the platform? How ever in the world will people match on DLC? Can a DLC matching system even be implemented with a song pool that large and most people not owning a huge portion of the available pool?