Eidos has released new patches for the PC versions of Tomb Raider: Legend and Hitman: Blood Money.
The TR patch is designed to improve overall performance and gives you a separate walk button with which to control Lara, amongst other things. It's now available for download via 3D Gamers.
The Hitman: Blood Money patch fixes all manner of bugs, including "the low performance problems that have been experienced on some hardware configurations." It's also up on 3D Gamers.