The age thing is definitely a factor. When a provider can convince with her performance that it was magical then age is not a factor. When a highly reviewed provider shows me a lackluster performance age is a factor. It's as simple as that.
I had a few HDH in Dallas on my radar for the next few months - but I was brutally reminded just a little while ago that positive reviews are prevalent and the not so hot experiences just never get reviewed - I am spending all of my future hobby dollars with the Asians - they offer a consistent, high level of passionate GFE even to us old farts... at half the price... this is a good thing...