If you want a DX10 card, the 8800s are the only game in town right now. Yes, the 8800gts is a DX10 card. Either card will run M2TW like a champ. Be warned, however, that by the time DX10 games are shipping, there will be smaller, cooler, better cards for DX10, and you will feel slightly deflated. But you'll be able to run those games without needing a new card, which will be more than the rest of us will say.