Definitely as Clark. Superman's hair is a little too greasy <g> Also, for me, part of what makes someone attractive is the expressions on their face -- and Clark was able to show a wider range, since Superman was supposed to be stoic sometimes.

PJ

"You told me you weren't like other men," she said, shaking her head at him when the storm of laughter had passed.
He grinned at her - a goofy, Clark Kent kind of a grin. "I have a gift for understatement."
"You can say that again," she told him.
"I have a...."
"Oh, shut up."

--Stardust, Caroline K