Comparis have an english language site to compare schemes: https://en.comparis.ch/banken/vorsorge/default.aspx
We chose a bank one with a good interest rate. Most people do not amoratize their mortgage here as there are tax advantages in having a high mortgage.
Insurance issues are very personal -what do you want to risk and what not?
Be careful of Swiss schemes as there are often penalty clauses if you want to get out of them at a later date