Toonami come back? Well, it would be nice to see the old anime I watched while I was still in grade school. And it would be convenient to have Cartoon Network's anime lineup all in one place rather than sprinkled among the likes of Tim & Eric and The Squidbillies. And it is nice to hear Steven Blum's voice again...
That said, however, it probably wouldn't be due to the fact that it would most likely steal from Adult Swim's lineup. That and it would also interfere with Adult Swim's time slot too, appealing to an audience of the same age demographic as Adult Swim's (the people who grew up with Toonami). As Adult Swim appeals to a broader audience than Toonami and benefits from a wider portfolio of shows, I can't see Toonami resurfacing without either being moved to the 2-6 am timeslot or airing in the few hours before Adult Swim starts up, albiet stripped down to appeal to the target audience of their "live-action" shows whose timeslot it would share...