Hi there. I just created a wish here on GOG so that we can vote to have the sequel to LoG here on GOG.

Link: http://www.gog.com/wishlist/games/legend_of_grimrock_2

Link to Homepage: http://www.grimrock.net/

There is also a new official Screenshot from LoG 2.
Just look an that and say you don't want to explore that forrest ;) :
http://www.grimrock.net/wp-content/uploads/2013/03/forest_1080p.jpg

Edit:
There is already a vote for LoG 2 on GOG... i searched for LoG 2 instead of LoG II...sorry.
Link to correct vote is:
http://www.gog.com/wishlist/games/legend_of_grimrock_ii