Supported Devices
MSM8660
Xperia S - nozomi
MSM8255
Xperia Active - satsuma
Xperia Arc - anzu
Xperia Live - coconut
Xperia Mini - smultron
Xperia Mini Pro - mango
Xperia Neo - hallon
Xperia Neo V - haida
Xperia Play - zeus
Xperia Pro - iyokan
Xperia Ray - urushi
QSD8250
Xperia X10 - es209ra
pretty positive the codename for x10 is "Rachel"