According to
http://www.rpgwatch.com the pc specs for Dragon Age 2 is out. They are:
Recommended:
CPU: Intel Core 2 Quad 2.4 GHz Processor or equivalent
CPU: AMD Phenom II X3 Triple core 2.8 GHz or equivalent
RAM: 2GB (4 GB Vista and Windows 7)
Video: ATI 3850 512 MB or greater
Video: NVIDIA 8800GTS 512 MB or greater
DirectX 11: ATI 5850 or greater
DirectX 11: NVIDIA 460 or greater
Minimum:
OS: Windows XP with SP3
OS: Windows Vista with SP2
OS: Windows 7
CPU: Intel Core 2 Duo (or equivalent) running at 1.8 GHz or greater
CPU: AMD Athlon 64 X2 (or equivalent) running at 1.8 GHz or greater
RAM: 1 GB (1.5 GB Vista and Windows 7)
Video: Radeon HD 2600 Pro 256 MB
Video: NVIDIA GeForce 7900 GS 256 MB cards
Disc Drive: DVD ROM drive required
Hard Drive: 7 GB
Sound: Direct X 9.0c Compatible Sound Card Windows Experience Index: 4.5
In this FAQ
http://dragonage.bioware.com/da2/info/faq/you can read more about the game. If you click on the world icon on the left hand pane, you can learn something about the deep roads and other places in Dragon Age 2.
Finally, Priestly mentions that Dragon Age 2 will support DX 11....