I've recently begun to hobby with two successful sessions on business trips. Now that my 'cherry' is popped I'm making some very selective choices in who I'd like to me next. My ideal is 35-50, experienced, sensual true GFE (ala Nina Hartley). Someone I can call on whenever I get the 'itch'. I've made some connections with a few well reviewed providers... all who are just as selective and seem to do this on the side to supplement their day income. My previous sessions have been pleasant, but because of time constraints, a little business-like and mechanical.

Is it out of line for me to request a 90 min session on my first date, just to break the ice with some conversation. I'd like to spend a little time to get comfortable and allow a slow build up with out eating into the hour I plan for the real fun. I know some providers will probably say no on the first date... but it can't hurt to try right?

I'm sure you'll get differing opinions on this but I prefer longer sessions, usually 2 hours, regardless whether it's the first time with someone or not.  It allows me to relax and indulge in what I consider a true "GFE" session without feeling rushed.  I've never been denied this request which is probably because I'm selective and choose providers who also prefer longer sessions.  If $'s aren't an issue, go for it.

I did almost all 1-hr. dates until I was treated to a 2-hr. date because that was the minimum available by an agency in a certain city.  More than an hour is needed for a true GFE experience unless you are a young stud who can shoot real fast and still come back for MSOG.

it's just the right time-frame for both of us. My dates relax and have fun, and I do too. (I'm terrible about keeping the fun inside an hour.)

So, if 90 is what you want to do - and the lady is willing - then go for it!

I prefer 90 minutes to 2 hours myself though I will only do 60 minutes with some of the agency girls that I see when I travel.  The reason for this is that they are a bit mechanical and no added time is going to change that.  The sex is good but when we are done I have nothing to talk about.  

It's an individual decision but, for what it's worth, I can't imagine any lady is going to refuse your offer to spend more money on her by booking more time.  If she does, you probably don't want to see her!

You just never know how it's going to go until you get there, and 90 mins could feel like a long time if you don't click.

why not just opt for a non clock watcher? this way, if you book the 90 mins and the chemistry isn't there, you get the drift.. A non-clock watcher will normally stay a few minutes over the hour and will not rush you during conversation  and private moments...If you hit it off, then if you choose to see her again..book the 90 mins and going in, you know you will have a great time..

just my 2 cents..

I learned real quick that 1 hour was not enough for me.  90 Minutes seemed about right.  It can not hurt to try & see if you like the results.

Go for it,
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on a 90 minute or 2 hour first time date.  

I probably would not schedule an overnight with someone I had never seen before, because then if the chemistry is not there or your totally incompatible; that would be a miserable 8-10 hours.