This week Northern Rock are back as the top spot for the best interest rate on an instant access savings account. They're offerin 3.01% for balances between £1000 and £100,000. more information:

E-Saver - Savings - Savings Accounts - NORTHERN ROCK

E-Saver (Issue 5)

Our E-Saver is an online savings account that offers a simple and convenient way to organise your savings, at any time, day or night. Rate includes 1.50% bonus for twelve months from account opening. Please note that the monthly option provides a slightly lower interest rate of 2.97% Gross2 / 3.01% AER1.