Yep. If you want to play games, so ASUS is your deal. According to the quad-core processor is not good idea at all... Do you know many soft nowadays, that uses multi-core support in handling tasks? Indeed you can find it, but seriously it doesn't give any effect in case, if you have to render 3D graphics or working with soft, which is highly recommended running fast GPU. Toshiba's Low-End GPU isn't for games and for rendering at all.
You can find more about gaming and notebook performance on site: http://www.notebookcheck.net/
Here you can compare mobile GPU benchmarks: Mobile GPU Benchmarks
And mobile GPU tests in games: Mobile GPU Games