The Brainy Gamer takes a look at the sorry state of voice acting in video games:
"If there's one aspect of video games that could use an infusion of imagination, it's voice acting. Unlike other elements of game design, which have progressed measurably over the last 20+ years, voice acting remains mired in needlessly conventional, amateurish approaches to production. Developers too often accept shallow, 1-dimensional performances by actors as good enough for video games. Caricatures and stereotypes pass for characters, even when the writing transcends clichés, which isn't often."
The article lists the most common problems with voice acting in games and includes audio samples that highlight his points.