*This list of Custom ROM is only for Sony Ericsson XPERIA X10*
*Flash your device at your own risk*
(04/24/2011) [SS] Cyanogenmod V7.0.0 J016a (U)(2.3.3)
(04/21/2011) [SS] X10projectMIUI 004
(04/21/2011) [SS] X10x EWJet V007ex
(04/20/2011) [SS] Achotjan V01.3
(04/20/2011) [SS] MIUI 1.3.18 v2 (2.3)
(04/12/2011) [SS] scamble v01.3 (2.2.1)
(04/12/2011) [SS] XAT CM6FROYO RC2 Build 106 (2.2.1)
(04/12/2011) [SS] TripNMiUI FINAL 1.0.4 (2.3)
(03/01/2011) [SS] Blue Sparks V051 (2.1)
(02/03/2011) [SS] kX10 R2B001 (2.1)
(03/27/2011) [SS] FreeX10 BETA 4 (2.2.1)
(01/08/2011) [SS] TripNRaVeRs ROMs v0401.1 (2.2.1)
(01/07/2011) [SS] X10 Custom ROM 008b
(01/05/2011) [SS] AOSP mod GB style v2.2 (2.1)
*Most source links are from xda-developers forum*