Well to wrap it up from my side... they're the same as 1.23 peep, just that they act more childish, but not all of them. I personaly hate the fact that custom lvls suck on TSF, other than that, if you really want to play jj2, it's just as good as 1.23. And as stilleto had mentioned, they are the future, TSF is where the potential lies.
I doubt it's still worth debating on the subject though, but by all means plz continue this topic.