NPD releases weekly PC sales figures, for some reason

We're not sure why this has happened, but there we are. NPD has released PC sales figures for the week ending March 1 in the US. Amazingly, the Sims is top.

1. The Sims 2 FreeTime Expansion Pack - Electronic Arts - $29
2. Call Of Duty 4: Modern Warfare - Activision - $50
3. Sins Of A Solar Empire - Stardock - $40
4. Frontlines: Fuel of War - THQ - $50
5. World Of Warcraft - Vivendi - $20
6. World Of Warcraft: Battle Chest - Vivendi - $40
7. The Sims 2 Deluxe - Electronic Arts - $30
8. World Of Warcraft: Burning Crusade Expansion Pack - Vivendi - $28
9. Lost: Via Domus - Ubisoft - $30
10. Mystery Case Files: Madame Fate - Activision - $20