Just purchased. Email was received very quickly and had no issue redeeming the code, apart from the minor nuisance that it's a picture of a code card so no copy/paste option.
48 hour codes definitely don't qualify for DotW (and I'm pretty sure that''s in the OP). I'm willing to bet that free Gold weekend and other events don't get the sale prices either.
Maybe Live Vision is easier to implement than Kinect? I know basically nothing about programming, so that's just a wild guess.
That's good to know about Quarrel, though, since I just bought a Live Vision to use as a webcam and am interested in picking up Quarrel.
It's got nothing whatsoever to do with you visiting the site. If someone knows the email address you use for your Live account, they can (possibly could, since it's rumored they've patched the hole) run a program that systematically enters passwords until it finds the correct one. There's a...