Yes. If you have a domain, but your DNS details have not yet propagated around the Internet, you can use a free sub-domain of dreamhosters.com and set it to mirror your domain.
If you have not yet registered a domain, you can just use a free sub-domain of dreamhosters.com without mirroring.
More details here;
Save [color=#CC0000]$50[/color] on DreamHost hosting using promo code [color=#CC0000]SAVEMONEY[/color] ( Click for promo code details )