Android next major release of operating system, Android 2.3 Gingerbread now already port to Xperia X10?
Nope, this custom ROM is only GingerBread Preview Rom which develop by Xda Developer member, zdzihu. GingerBread Preview Rom is only a emulator for Gingerbread that shows for proof of concept that it will work with 2.6.29 kernel. Before start setup this GingerBread Preview Rom. Lets check out video below on how GingerBread Preview Rom running on Xperia X10.
Download Gingerbread 2.3 Preview Rom: Link
Step1: Boot into xRecovery.
Step2: Install custom zip.
Step3: Select X10-2.3-preview-signed.zip.
Please do a full wipe before installation!