I don't really agree with the selling or transferring of BTC talk accounts. Makes me wonder whether is the person I am talking to, really the person I used to know?
There is many ways to check if person behind account is real owner or it is just second hand owner, scammer or hacker that take over some account.. One of the best way to protect your account is stake your Bitcoin addres with signed message in this thread:
https://bitcointalk.org/index.php?topic=996318.0/Sorry for little off-top..