You will have some idea about ics on xperia arc. Youtube video
Xperia Arc Running Ice Cream Sandwich (arconium ICS v3 rom) - YouTube
[YT]http://www.youtube.com/watch?v=AW2IzMvBC-0[/YT]
Xperia Arc Running Ice Cream Sandwich (arconium ICS v3 rom) - YouTube
[YT]http://www.youtube.com/watch?v=AW2IzMvBC-0[/YT]