Link

Min deposit is $10,000 - for my market the rate was 5.35%, which is comparable to high yield savings accounts, and knocks the pants of the bankrate.com average of 4.5%-ish. Looks like a good place to park BT money.

[edit]
Apparently you need to have a Chase banking account in order to sign up for one of these products. I will probably sign up, so I'll report back on what the cheapest qualifying banking product they have is.

If you have a local branch to sign up at, you could probably pick up this promotion as well:
Pocket $100 by opening a Chase Free Checking Account w/ Direct Deposit