isnt that a personal thing? To be honest that is a quesion for you to ask yourself....

different games for different people right!?

I hope you will have a great tme! Good luck and enjoy!
Serena x

Duos are all different.  It is roughly the same as a one on one experience, no 2 exactly alike.  And if you can see both ladies individually before hand that adds a bit also.  But a least see one for sure beforehand.  I find that 2 bi ladies bring a lot to the table and watch for the 'bi for pay' ones.  It can be a downer if you see it.  I have a duo planned for this month that I have seen twice before, it just gets better.

Good luck in your search!

If the idea of watching 2 girls having sex with each other and you is exciting then a duo can be great.  But you having sex with 2 girls at the same time is a different thing and can be great or just tiring.  It's all up to what floats your boat. Personally, if the girls are not interacting with each other, then I'm not that interested, rather have 2 separate dates for the same money.

'Cause I ain't doing all the work.

A threesome is spectacular if everyone is into it. It also allows each individual to tap out and take a break without stopping all the action. It's definitely worth trying at least once, but you should go with someone you've seen before and have her bring a friend she's comfortable with rather than try to schedule two strangers at once.

Duo's are exciting as

And wild and usually hot as hell. However like Roadie said make sure they are really Bi. Having 2 pieces of eye candy and two ladies on your arm is amazing experience.
  IMHO a threesome will never take the place of a extended intimate and romantic encounter with a ATF that you have built up chemistry and a real connection with. That is just the ultimate fun time and so satisfying!

Not sure what town your in but I know of 3 ladies that would do a 3 way and are great at it. Two also like doing a 3 way with 2 guys which I have done 3 times with this one and it was better than any porn movie you will every watch mainly because you are in it. They are in Charlotte and if your interested I love doing 3 ways with the one because she handles it all and any way you want it.