Sproul?
"Now THAT's a good question!" :)
Yeah. Any one of them would be excellent. The debate from the Realized Eschatology side must be done in a serious, theologically and intellectually sound manner, salted with charity and devoid of sarcasm. This would provide a nice contrast the lightness and pop-culture/entertainment centricity of the other side and at the same time present the truth in a loving and winsome way in accordance with 1 Co. 13.