Logitech G15 (first rev if you can get it) for keyboard.
I would have suggested a Logitech G5 for mouse, but since you are a lefty, you might wanna go for something more like the Razer Copperhead.
I would have suggested a Logitech G5 for mouse, but since you are a lefty, you might wanna go for something more like the Razer Copperhead.