For all fans of PC indie titles, it is worth heading over to the Steam store as they are currently running an Indie Spring Sale. There are absolutely tons of great games reduced to ludicrously cheap prices. The sale runs from March 21st to 29th, so make haste and pick up some bargains.
Just some of the awesome titles currently reduced are:
Runner 2 : Future Legend of Rhythm Alien
Giana Sister : Twisted Dreams
Super Meat Boy
Hotline Miami
Retro City Rampage
Amnesia : The Dark Descent
Thomas Was Alone
Legend of Grimrock
The Trine Collection
and many more.
Steam Store link