From what I remember, the Titans Tomorrow lineup was:
Superman (Conner, now pretty much full kryptonian in strength + TK)
Wonder Woman (Cassie)
Dark Raven (Raven, strong enough to drain the emotions of most of America)
Flash (Bart, now good at stuff like speed stealing)
Aquagirl (powerful telepath)
Batman (Tim)
Beast Boy (Gar, but able to split into multiple bodies)
Considering the power of this Brotherhood and their numbers edge, I give it to the BoEM.
Miss Martian, Wonder Woman, Raven, and Superman are going to be tough to take down. I'm inclined to believe that each character is more powerful then their JLA counterpart. Cassie beat Wonder Woman etc.
Um, not really much we can say about this. TT didn't really do all that much noteworthy. On panel, anyway.
Oh, I forgot about White-Miss Martian. That's significant, adds not only a physical powerhouse but another ruthless powerhouse to the team (though I think they traded Aquagirl for her).
Do you mean the Titan's Army? That's a somewhat different group that was also from the future. I don't think they're allied with the Titans of Tomorrow.
Yes, but the implication is they jumped at least some of the JLA.
They did treat the regular Titans as a joke, but they are basically the same characters with more power, up to JLA level.