Hey Oneworld,
Lots of good tips here so far. I was in the same situation as you almost exactly 12 months ago. I paid an insignificant some of money for some excellent training just for the purpose of the 757 sim ride and can give you a steer if you pm me - that is if I remember to cx pms!
MD
PS it worked and have been "on line" on the 75 for a while now