When people first start they are jobless, and must find a job. If yo ureally want people to have a job when they first start, just make one evolution chain, then they don't really have any choice. You're right about the agility stat, i think EVA is the replacement stat for deciding that, stats are re done in 3.0 completely.
It should be a simple upgrade with easy porting, yes, but don't quote me on the