93w ago - Following shortly behind the new
PS3 Firmware 3.70 update, today Sony has also released PSP System Software Firmware update version 6.60 for the PlayStation Portable and PSPgo consoles.
Download:
PSP Firmware 6.60 Update /
PSPgo Firmware 6.60 Update (PSP-N100x only)
Sony's Network Entertainment VP
Eric Lempel has
stated that this is indeed a minor PSP system software update.
As always, those utilizing any of the the recent
PSP downgraders and hacks will want to avoid updating your console if you wish to run PSP homebrew on it as the recent PlayStation Portable exploits are likely patched.
woow so cheap...
i guess its a day 1 buy for me 
...
Also below is PSP CFW 6.60ME from neur0ner (twitter.com/neur0ner/status/102702729926942720): This Custom FirmWare (Minimum Edition) works on PSP1000 and PSP2000 (01g, 02g model).
Neur0n LCFW 6.39ME-9.3 fixed: This is LCFW installer for OFW6.39. Works on 01g ,02g , 03g, 04g, 05g (PSP Go), 07g and 09g model.
Neur0n CFW 6.39ME-9.3: This Custom FirmWare (Minimum Edition) works on PSP1000 and PSP2000 (01g, 02g model).
Neur0n LCFW 6.39ME-9.3: This is LCFW installer for OFW6.39. Works on 01g ,02g , 03g, 04g, 05g (PSP Go), 07g and 09g model.
Neur0n CFW 6.60ME-1.1: This Custom FirmWare (Minimum Edition) works on PSP1000 and PSP2000 (01g, 02g model).
Neur0n CFW 6.39ME-9.4: This Custom FirmWare (Minimum Edition) works on PSP1000 and PSP2000 (01g, 02g model).
Neur0n LCFW 6.39ME-9.4: This is LCFW installer for OFW6.39. Works on 01g ,02g , 03g, 04g, 05g (PSP Go), 07g and 09g model.