Not sure if this has been posted but Susan Panico, the senior director of PSN, has just left Sony after 17 years. To be honest I think she has done a shitty job and think Grace Chen should get the boot too. Hope this signals a change in how PSN is run, more indie stuff, a more pro active approach to getting games on the service.
Uhhh...they have nothing to do with this, for the most part. Also, PS3 is not PC or 360, there is no easily available dev suite to use. PS Suite may change how many indie games are on PSN. Also, a LOT of Mini's are made by indie devs, but are largely ignored.