Zurich Life do have a good track record, although past performance is not a guide to future returns.
You can get better deals on PRSA charges from a few sources: - [broken link removed] or [broken link removed] or
These are all execution-only services, i.e. you do not get any advice on the choice of provider, choice of funds, level of contribution etc.
Remember that PRSAs aren't the only form of pension product. Personal Pensions or Occupational Pension Schemes might be more suitable. Only use an execution-only service if you know what you're doing.