I don't know... they're fine with making you buy a Kinect to play those games if you want to. Or a guitar if you wanna play Guitar Hero. Or whatever Wii accessory. The premise is that you can use it for other games too. How is Ram any different?
Discless will not happen for a very long time. It's too reliant on massive broadband services, of which the majority of the US does not have an adequate speed of. At the very least, you need a 10-15Mb connection for non-stuttering HD streaming from Netflix/HBGO and the like. Hell, I've got a 20Mb connection on ATT-Uverse…