On 1, as explained over PM the newest beta supports unlimited payouts and tables, and has the 180 man as a built-in structure to select from. For FGS, this is relevant only for SNGs or MTT final tables. The software "simulates" what will happen for every action for the next hand, and then the hand after that, and so on up to the limit you enter. This ultimately affects the equity calculations as these are then plugged-in rather than vanilla ICM.
The main thread for HRC is
http://forumserver.twoplustwo.com/16...edback-832260/ by the way.