EBS , Halifax and Anglo Irish have accounts for regular savers offering 7% interest .

The Anglo Irish Regular Saver – has a minimum monthly savings amount of €100 and a maximum of €1,000. You have to continue to save for 2 years with no withdrawls.

Halifax is also offering rates of 7%.
You just have to lodge between €10 and €750 into your account every month for at least 12 months AND make no more than two withdrawals during that time.
To get the full 7% you have to meet these conditions
(a) no more than two withdrawals have been made in that year from your account;
and
(b) all twelve monthly payments in the amounts set out in the application form have been made by you to your account in that year.

The minimum account opening deposit you must make to open your account is €10. The maximum account opening deposit to open your account must be less than or equal to the value of your monthly investment (up to a maximum of €750). The account opening deposit can be made by you in up to two lodgements, provided one of the lodgements is at least €10.

EBS also offer 7% interest on their Regular Savings account.
A variable interest rate of 3% over ECB rate applies until 01/04/2008. Thereafter a minimum of ECB will be available until 30/04/2010.
Lodgements may only be made by direct debit. Minimum monthly direct debit lodgement is €20. Maximum monthly direct debit lodgement is €1,000.
EBS do not mention restrictions on withdrawls or that the payments have to be fixed amounts.