Glad you're having fun with the game and sliders. I've been having fun with Heisman this year as it is more playable than years past.
The only thing I don't like about Heisman is the occasional game where the cpu will use the "Greased Pig" and the "choke slam" animations all game long to generate big 70 plus yard plays.
The animations are where no one on your team can tackle the one running back, 3 or 4 guys just slip off the back. Or the running back choke slams 3 or 4 guys to the ground, even defensive tackles. Almost as if the game says "Hey you're programmed to lose this game, nothing you can do about it, its fixed."
But overall the good outweighs the slight bad, as Heisman allows for more close competitive games with the CPU.