The best competitive device with MackBook pro is the Dell's XPS 15 which has been recently released. Comparing to the other devices, Dell XPS 15 has amazing features which attracts everyone towards it. It has splendid HD screen with great...
As noted in the source article, "both the XPS 14 and the XPS 15 support SSD drives and traditional 2.5" hard drives. That means you can have all the speed benefits of SSD drives with the extra storage capability that comes with traditional hard drives." This lead me to think that it does have dual drive bays.