You will only see the lower prices once you are logged in. Gold Subscribers only as usual.
Don't forget you can give the demo version of each game a go before pulling the trigger on the full version!
This week Xbox LIVE Gold Members can choose from 3 different Xbox LIVE Arcade fighting games that have special DOTW pricing:
Marvel vs Capcom 2 = 800pts
TMNT: Turtles in Time Reshelled = 400pts
Invincible Tiger: The Legend of Han Tao = 800pts