As far as I knowб this is the first custom ROM (similarly to custom ROMs for WinMo devices, made popular by xda-developers) for Symbian phones. This one is adaptation of HK Rom for Italian languages, plus some customizations, and Kastor effects enabled out of the box.
Btw, I have Omnia HD i8910 since middle of July, enjoy its speed and capacious RAM. New firmwares are coming out of Samsung soon to enable 3d task manager and to fix some bugs. This thing rocks. I also hope to see it updated to Symbian^2 next year. We’ll see. :)