HSBC Direct offers 3.50% in their online savings account through 9/15. Minimum balance to open is $1. If a third party charges you to use their ATM in the U.S., HSBC will rebate up to three of these fees based on transaction date order during the calendar month.

Washington Mutual Bank is probably the most widely known bank that offers competitive rates, currently at 3.75% APY Online Savings when you sign up online for a WaMu Free Checking account. Minimum balance to open Online Savings is $1. They also do not charge you for ATM withdrawals from non-WaMu ATMs.

WTDirect.com - Wilmington Trust Direct is offering a 3.31% APY for an account balance of $10k. FDIC-insured up to $100,000 per depositor with Wilmington Trust FSB.