Legend of Grimrock looks very interesting. It's a throwback to classic RPG dungeon crawlers like Eye of the Beholder. Only $12 to preorder on GOG or from the developers directly. So far all the reviews have been very positive. Comes out on Wednesday the 11th.

http://www.youtube.com/watch?v=f9QtS96ZZ2M

http://www.youtube.com/watch?v=dzIiXx-8BHc

http://pc.gamespy.com/pc/legend-of-grimrock/1222252p1.html

http://www.gamebanshee.com/reviews/107559-legend-of-grimrock-review.html

http://pc.ign.com/articles/122/1222602p1.html

http://www.rockpapershotgun.com/2012/04/04/wot-i-think-legend-of-grimrock/