If you're hankering for some cheap games, Big Fish Games are having a 50% off sale leading up to St. Patrick's Day (March 17). I must admit, I've not exactly sampled many of the games on their site (that is to say, I'm not even sure that I've played a single one) - however, there are demos supplied for each and every game and from what I've read, there's some nice finds on there.

Simply add a game to your basket, then use the discount coupon LUCKOFTHEIRISH to receive your 50% off.