[Emperor Pan I]

and they were included in the expansion because there was no way to balance them properly in the original Starcraft.

"Including" everything from the expansion, would make a game released in 2003 would be released in 2004, if WCIII was released with TFT content. SC would have been delayed more than a year also. What is the point? Plus the price would go up because you are essentially adding half another game to the original. That doesn't make sense.