good health insurance----pls help

Hi Ladies,
We have united health care choice plus currently for our family.We are planning to switch to another good plan as the current one is charging high amount of premium per month.
I need your opinions,suggestions in choosing a good plan for us among blue cross blue shield PPO Select Blue advantage 85% coinsurance,blue cross blue shield PPO Select Choice 80% coinsurance,cigna open access 80% coinsurance,aetna open access 80% coinsurance.
what was your experience with the above insurance companies?please share..
I have attached the plan details in excel sheet incase i did not write my query not so clearly.
thanks in advance