Well, it all depends really.
When the English versions comes out, it will probably be something like:
Jolteon
Crobat
Houndoom
Swampert
Banette
Flygon
On my ROM, currently I have:
Typhlosion
Ampharos
Crobat
Quagsire
Onix
Victreebel
And odds are once I finish the games completely I'll probably go for more of a "dream team" which consists of:
Flygon
Mismagius
Zubat (no, I won't evolve it)
Seviper
Golduck/Gliscor (still haven't decided which I prefer.)
Camerupt
Which I don't see getting through the main game with just those pokemon being very easy at all, more frustrating than anything because they share common weaknesses.