De la 3.3 se salta a la 4.0 ?

Changelog:

4.0 (01-09-2012)


Jelly Bean status bar - thanks, ThillinaC!
Sony E-Mail app
Update in zip - no need to flash whole ROM
Holo Launcher HD - use for full Jelly Bean Xperience and more free RAM (if you don't like it, remove with Root Explorer or whatever)
Weather Xperia S widgets
Clock Xperia S widgets
On/Off Xperia S widgets (tools)
New SystemUI
Beautiful, new and unique boot animation created by @Peanutheng - big thanks to him!
Minor speed improvement
Smoothness improvement -------> use Holo Launcher (included in ROM) for visible changes
Build.prop tweaks
To increase free RAM use Advanced Task Killer - it matches Jelly Sandwich 4.0 perfectly

Bueno almenos se ven buenos los cambios veremos que tal, tendré que probarla ya que ahorita ando con CyanogenMod 9.1 ( no es por presumir alex )