If you've never signed up for an ING Direct account, you can use this link and they'll give you $50 for signing up. I did this 2-3 years ago, its totally legit.
https://banking.INGDirect.com/savings/express_savings.asp?p=%99WSs%A8u
https://banking.INGDirect.com/savings/express_savings.asp?p=%99WSs%A8u