Does this sort of stuff interest you?
Orbitz sends me (and I assume the rest of the world, which might already include you) this e-mail every week:
"Top 10 Deals Of The Week"
Here's the link to Orbitz.
The deal at Hard Rock Hotel in Las Vegas looked interesting: "Save 25% off 4+ night stays through March 31st. I also received an e-mail from them the other day talking about a different offer: "For every two nights you stay with us, receive a complimentary night."