My personal opinion - if your case is not too complicated , go with a easy accessible, smaller Attorney.
Bigger attorney would mean paying more but then you can get a piece of mind.
I choose QBP but when I call them I have to first talk with my attorney's secretary and then she passes the message to the attorney & then he calls back or maybe the para-legal.
Earlier when I was choosing attorney I tried talking with Harry gee, richard prinz , QBP. All these are bigger, expensive attroneys, they can charge $150 per hour to discuss your case.
You have to discuss your case with their secretaries & assistant before you get to the actual attorney.
As per Rahul reddy, he seems a real smart guy to me, who has now made it big after his success with the case from San Antonio. When I had contacted him, he told me he prefers handling cases right from Labor. He is not too interested in filling for just 485 and interview. You can try calling him.
There is another name - George Wiley who advertises in Asian newspapers.