I'll give my two-cents... Saw his ad on rentmen, in Seattle.  Contacted him for a meeting later in the day.  Positives:  He was quick to reply.  His rate was posted ($300 incall -- steep, but his pictures did it for me...) and he described himself as 'top/vers'.  I was pretty clear on my preference (I wanted to be top), and he ok'd...    
The encounter lasted all of 2 minutes before I left (taking the money he asked I prepay before leaving).  Happy to provide more details, but suffice it to say, worst experience with an escort ever...