It should be on the newly released CS5. I believe you are right with regards to Lightroom 3 ,it will be part of that upgrade.
I am telling here that there is no Advanced Lens correction in ACR 6, not in the just released CS5 (I downloaded a few hours ago from Adobe store). I think it will be released in a future ACR 6.1 update.ByeAlan
That was expected. Lens corrections is due in a dot release as said in this thread: http://luminous-landscape.com/forum/index....st&p=362494
According to an update on John Nack's blog, the timing , "[Should be just a couple of weeks. --J.]"http://blogs.adobe.com/jnack/2010/04/cs5_i...g.html#comments