I say keep ECW, it serves as a plae where all of the new stars can be caught as opposed to having to places for new stars, has-beens, and never-weres. Having two places for them would get kind of boring and new talent wouldn't be as special.
As for WWE Superstars, keep it it's really nice for the occasional John Morrison vs. Sheamus, or at a ME level Taker vs. John Cena. If Superstars was turned into either heat or velocity then there would no hope for refreshing inter-brand matches that I watch occasionally on Youtube.
