Less talky more "MEANWHILE AT VALVE"y.
No, it's real. The April Fools joke is when Gabe announces he's going to start dieting and working out.
He probably is.
But i'm not, because this means I can stop using my dinosaur XP VM and have games native. Even though my dad's buying Vista, this'll just be easier because I'll be able to run Steam 24/7 without running the VM.