I believe you can use custom ringtones with google contacts..I just tried mine and I have the option to use them.
All my contacts are synced with google...so when I flash a ROM, I just add my google account and all the contacts are there. Plus ...
You can..go to Settings > All Calls > Auto Reject > Auto Reject list
Correction, it works! Forgot to switch from Launcher Pro to Touchwiz and it worked as a Kies connection.
It was the databse issue, with it being only read only. solved it bu opening access in administrator mode and making sure I had full permis...