Go to the following website: www.pensionchoice.ie click on the tab for personal quotations and then select Guaranteed Pension Plan Quotation. This is Irish Life's website for annuity rates. It is designed for use by brokers & intermediaries and as such has some jargon, but play around with it and you should get what you need.
Bill Tyson had an article about annuities in yesterday's Indo (free registration req.) which might be of use to you.
The table that's mentioned in the piece is available only in the hard-copy version of the newspaper but it has a price comparison between providers when you purchase an annuity for €100,000.