last release, but with Sony's PS3 Firmware 4.81 revision today @darekspy updated his PlayStation 3 Custom Firmware (CFW) to PS3 CFW SPY 4.81 with a demo video below.
Download: NEW_SPY_481_PS3UPDAT_9a1778b6fb26f13670590dec21929ee7.PUP (194.9 MB)
PUP MD5: 9a1778b6fb26f13670590dec21929ee7
To quote from the video's caption: CFW SPY 4.81 CEX
CFW Standard CEX, Multiman 4.80 works fine.