If neither you have played the game, let me be the critic that you turn to for guidance to whether you should buy the game.
Now remind you that I play all of my games on the 360, so whatever good I say about the game on the 360 you should double that praise when referring to the PC version.
Anyways, to give you a history of where I stand, my previous 3 favorite games were Oblivion, Mass Effect, and Fallout 3. I am pleased to say that Dragon Age has earned its right as the 4th among that short list that few ever get to call home
The story is compelling (not like Mass Effect, but it is done well), the gameplay is interesting enough to keep you glued, and the world can be compared to Oblivion, but done in a way such as Mass Effect. What I find most interesting is the events that occur, some that I will never forget. Dragon Age is a remarkable game, I'm 19 hours in now even though I got it last night and I'm still eager to continue playing. If my body did not ache I'd be playing it now. If you liked Oblivion and Mass Effect, I'd give it try being that it seems a fusion of both.
Another good game that I wish to buy, but it will have to wait until after I purchase Mass Effect 2.
... or friends.