Haha, that's pretty cool of them. A shame there's no Snider though; isn't Icewind Dale one of his favourite games?
Yeah that occurred to me when they did this in BG EE too. These games are like Dave's bread and butter, Icewind Dale especially. I remember him saying that he plays Icewind Dale 1 or 2 at least once every year.
If you watch the trailer for the game you can see a Snider character in there.