I know there are several poker simulation software applications on the market, but I don't seem to be able to find one to meet my needs.

I am interested in running simulations over millions of hands under different circumstances. I know that several people have written how they used software like this to help them understand the game better.

I don't want an application that only simulates one hand at different positions; with different cards on the flop turn and river. I am looking for simulation software that allows you to adjust odds of players calling, raising and folding a range of hands based on your action.

This is not the simulation I want to do, but I think it illustrates my idea.
For Example: If I go all in every time I am dealt AA, depending on how much money I go all for and my table position, I want to be able to change the range of hands the players will call with. Then I want to simulate that over millions of hands to see what the odds are.

Any assistance or recommendations would be appreciated

Free or Paid Software is fine

My initial reaction is that such simulations would not be valid, as they would assume your opponents never adjust their style of play depending on what you do.

It's not ideal and it only works for limit, but back when I used to play LHE I use TurboTexasHoldem to run simulations: http://wilsonsoftware.com/

I believe that AceSpade also does something similar and may even be better, but because there is no demo then I've never tried it: http://www.acespade.com/

Juk

The software I am looking for would allow you to control the range of hands the players would call with. Certainly you would have to build in some assumptions to make the applicaiton work. Real world results on a small case study would differ, but overtime if you assumptions are correct the stats would even out.