sony needs to charge for online next gen
PSN is a huge money hole epecially after the PSN hack which cost at leat 170 million $ and the lack of profitability of the PSN has no doubt significantly contributed to the 4 billion dollars sony has lost on the ps3
Sony would be crazy not to charge next gen.
However, the PSN is lacking many features of XBOX LIVE. Paying for an inferior online service such as PSN might not be copacetic to current users