I was thinking the same thing the other night. I'm from the old school. While great graphics and effects are great, they are to be expected as the technology progresses.
What I want to progress with these next gen football titles is the ability to carry your own franchise mode online (if you want) and you can invite others to join and takeover their favorite teams while the CPU fills any untaken teams. Have the ability to create a dynamic website that fills in stats, rosters, message boards box scores, etc. based on this online franchise.
That would be my idea of Next Gen--not graphics, per se.