PSP Minis are confirmed for PS3 with new firmware – Destructoid
PS3Xploit and PS3 "BGToolset" Toolset are back, v1.2.006 adds Firmware 4.90 support - Wololo.net
PlayStation 3 system software - Wikipedia
PS3 Firmware 4.90 is out! (and you really don't want to update) - Wololo.net
How To Jailbreak Your PlayStation 3 (PS3) On firmware 4.90! - YouTube
Amazon.com: Ps3 Slim 160 Gb God of War Collection (1-3) Edition + Killzone 2, Resistance Fall of Man and the Last of Us + Playstation Vertical Stand : Video Games