A Java Applet (running in a browser) may be the way to go. Something similar to this:
but with a way to dynamically add more people (and their names) to the scorecard. And, where the only choices were 0, 5, 10 (aka gutter, spare, strike). Would love to get the applet code behind that page but i doubt the guy would provide it. But I'll ask!
and no i won't keep writing geeky stuff to the board. heh