The jury is still out on Randal's Monday, but GOG are currently running a promotion whereby you can download a free additional Daedalic title if you pre-order the game through them.
Featuring the voices of Jeff Anderson and Jason Mewes, Randal's Monday is a sort of mashup between Clerks and Groundhog Day -- a cultural-reference-stuffed, point-and-click adventure title. The dialogue doesn't quite zip like Kevin Smith's, but it has its moments.
Anyway, pre-order the game for £18.99, and you can pick up one of Edna & Harvey: The Breakout, Deponia, or A New Beginning: Final Cut for free. Additionally, you'll get an extra £3.40 off of any future purchase because of GOG's Fair Price Package, which hands out store credit to offset bad currency exchanges.
See, this is why we love CD Projekt.