It's still fairly early on, but my sense from my first review of the card set is that SOM has tweeked up the ball park effects quite a bit. Just take a look through the Pirates pitching staff or the Cubs/Braves line-ups and there are a lot of odd cards. The Pirates staff is loaded with ball park home runs and the Cubs/Braves line-ups seems to have had a lot of their power removed. If this is the case, I may lean toward playing theme leagues that focus on original team rosters. Does this jive with what anyone else is finding?
IM Bacchus