In terms of the movies I dont think its likely to burst any time soon, at the moment its getting bigger and bigger, with more CBM's announced almost weekly it seems. With Marvels second Avengers film and JLA on the way its going to become more crowded however and thats when problems could start.
From my own personal perspective I will have to become much more choosey as to which films I got to the cinema to actually watch. Things like Thor 3, ASM3 and IM4 (assuming they're announced) I would wait to see after being dissapointed by the last offerings and thats the way it would have to be going forwards, I didnt bother with FC after X3 and Origins, Transformers 2 left me cold so never bothered with 3 etc etc.
No doubt those films would still be massive anyway so I can wait for them when they're on rental or tv.