It goes to this charity.
http://www.pih.org/inforesources/news/Haiti_Earthquake.html
Donate to them or some other charity directly if you don't want a game and you would prefer the tax writeoff to go to yourself instead of popcap.
Personally, I don't have a lot of money to give away. I do want to help during these kinds of things, but when I donate something small like $20 to a charity like Red Cross (which I did for Hurricane Katrina), they end up spending all that money (and then some) on all of the future letters they send me afterwards trying to get me to donate more money. I'd rather have a middleman than end up with a mailbox stuffed full of letters asking for more money that surely must have cost them more than I originally donated.

Hehe, you know what? When I got notified about this action by your post, I was thinking, "How cool it'd be if GOG did something of the like" :D.

The reason PopCap can do it is that it's their own games they are selling. If GOG were to do the same, they'd need a special agreement with each of the publishers.

Yes, I know, I know, I was just saying it'd be cool ;-).

It sure would :-)

Funny, the games here are $28... HKD.

Wow, PopCap are... unscrewing you? :-D

VERY.

Better not tell them that. I just bet it's a case of "Hey, a dollar's a dollar, right?"

Course I won't. I'll be like, "screw you Steam, I've got WAY better prices elsewhere!"
Very bizarre.