This is on my son's Christmas list, so I thought it might be on another list out there.
It's the Mega Bloks Halo Versus: Assault on High Ground
It's $55 at Target and only $29 (plus tax) through Groupon.
You have to buy it by Tuesday (11/26).
It will be shipped to you in 2 – 2 1/2 weeks.
The link above will get you right to the deal.
If you've never used Groupon before, you can use this link to sign up.
Then, click on the "goods" tab on the top, to find the deal.