Xperia S Gingerbread XHS v3.0 Xperia High Speed Custom Rom

Based on stock firmare
lightweight rom
modded theme such as icons,home etc
Go launcher included
init d. support
ram, battery and memory management
Doomkernel
Rooted included
new lockscreen

You may visit this link for more information about this sony xperia s custom rom:
http://bit.ly/LKojKV

Xperia U Gingerbread KA02 Xperia SSpeed Custom Rom

It boost performance and it is very smooth
No root included
many applied tweaks
it has init.d support
status toggles included
just swipe to remove notifications and able to hide it
new animation charging, wallpaper

find out more on this link: http://bit.ly/L0rQI3

Other Roms for Sony Xperia U:

Xperia Ray Gingerbread JJ lite Custom Rom

Gingerbread jj lite for sony xperia ray
Stripped off rom
69mb small smiz with google apps included
Lock bootloader compatible
Uses aire kernel
For more information and links visit http://bit.ly/M2uhIe

Other roms:

Xperia Neo V Gingerbread Spacious Smooth Light Premium Custom Rom

It has 399MB free of space in data folder, no other custom rom has high as 399mb free
Rooted and Busybox
Notifications toggle
Bloatwares removed
ES file explorer
Init d.scripts

Uses Night elf kernel

Other information and links can be found in http://bit.ly/Lq7V2R