Hello
Yes it seems that 09 will be the good edition.
I'm interesting 1. if all rules will be repaired (sforget, brummfondel, atilabarut, mizi, marzipan ) and 2. will be make any progress with timetabling.
Trainscript and its interface to the program was one of the most extensive areas of improvement in TS2009. It is up to the rule creators to update their assets to work with the new system. From what I have seen, many new things are possible now. Some of the people you mention are active at Trainzdev so it shouldn't be long before you see updates of your favorite rules.
