If you can't be bothered to go to AT&T or any other store where Dell Streak is available, to order it, then you might be glad that there is an option to get it straight from the Dell.com site now.
The prices are as follows:
$659.97 - if you want to use the Dell Streak unlocked wherever you want, on any GSM carrier.
$549.99 - if you want to use it unlocked, but on AT&T network, you get it for $110 less
$299.99 - if you want to get it with AT&T's data plan on a 2 year contract (as low as $20 per month)
Pick your option on Dell.com, right now.