Is there an untethered jailbreak for ATV2 with ios 5.1 yet????

want to know if they have a new untethered jailbreak for the atv2 with 5.0 or 5.1 yet ??

 

http://forum.firecore.com/topic/3418

so I assume that means no untethered for 5.0 ??

 

I think Flipmode pointed you to the  to the root of the answer already and there is no need to reformulate the same question to get the same answer.