Reasonable on 11 March 2010
It's clear reading most of these that with the mature tech tests 1:1 is supported, but that the pre-alpha games and code aren't there yet.
I think Sony is allowing the Natal hype, etc. push it into revealing versions of stuff too early. There is no reason a Wii mote like controller with video pickup of the ball shouldn't be capable of 1:1 (or close enough to not matter) unless the software supporting it isn't mature enough (which could include the basic libraries for the motion sensing of course not just the games).
Try to be reasonable... its easier than you think...
