Maybe one can wear the super suit without using the normal suit? Though it seems unlikely.
@ Red Dingo: Sakurai and Sakata could easily be the best gantzers, but I guess Oku has decided to leave them out of the fights in order not to look overpowered, but now that there are overpowered aliens, I think it'll be a good moment to show an ESPer versatily.
And on the power levels thing, I agree, however, this is the second time that we see a team with more gear than the tokyo team getting owned, so it's a bit ridiculous imo, because if they managed to get 100 points a few times, how come they can all be so easily defeated and a "newbie" team with only x-guns, x-rifles will manage to tryumph. Now, if we were talking Katou and his y-gun and Sakurai, I could see that there's something that makes the Tokyo team different than the other teams. Maybe even count in the vampires. But still, seeing a bunch of guys with h-guns, plus one who had a super suit been defeated, again, it's a tad, dunno, extreme, maybe? Now, if we are to see some of those h-gunners do some damage, then I take all of this back. (BTW, if they do some damage not necessarily with the h-gun itself, I mean)
@ Cooler: I'll just comment on the possible vampires development. If Chigusa is to die and some of the members make a comment about reviving, we can have expectation that HS will revive Chigusa, and he himself could slightly express he's thinking about it, and then he'd pick number 2. That'd make a fine conversion to the team ^^
As for the rest, I also agree with you on most of your arguments, but on Izumi being brought back... I dunno. There's also the matter of Oku disliking the character.
But if he is to be brought back, I think the ones who would do it are either Sakurai or Reika.
I think Nishi is too greedy to bring him back, so he'd probably go for the gun.
I think if Reika is to survive, and like the possibility you mention, have a revelation on how her ways are currently wrong, then she could revive Izumi for the team's sake, rather than getting herself a h-gun. (but I also think she'll die)
And Sakurai, that'd be an interesting pick, because he knows Izumi was the one who killed him, and there's also the matter of Sakata's speech.
And if Inaba or the Old Man get 100 points, I think both of them would choose freedom. (I see the old man dying, and Inaba maybe surviving but not getting 100 points)
Well, that's about it.