Looks like so much of you guys are unlucky with getting a repair or replacement.
even when you bought it at a authorized reseller. Which is pretty weird to me.
I bought mine @ T-Mobile, and i just give them a call about the yellow tint, they tell me it's a known problem, and I get a new Xperia S within 3 days, and I can send the old one back for free.
In the netherlands it's in the law that you can get your money back or a replacement within 8 days, sending it back without having to give a reason why.
And T-Mobile has a policy, that when you have manufacturing problems, you can get a replacement within 2 months.
I'm on my second Xperia S now since 20-3-2012, this week i'll get my 3rd.
Lets hope for the best
Old Phone: HTC Hero, White
New Phone: Sony Xperia S, Black
New Toy: Asus Transformer Prime TF201