ING Direct's home page
is advertising a $50 bonus for opening a brokerage account at ING's subsidiary, ShareBuilder. This is a common promo at ShareBuilder. Costco members can get a little more. There's also a $100 bonus for transferring a brokerage account to sharebuilder. Fatwallet has more details at this $50 bonus thread
and this $100 bonus thread
Note, as a brokerage account, it's not FDIC insured. Is a ShareBuilder brokerage account a good choice for investors? MyMoneyBlog
has a detailed review.