Oh, god, not version C. (No offense!) A slider is much worse than a listbox if you only have a small number of choices. I can see how C would be better for some of the maps with really large bonuses, where precision is less important (who cares if you accidentally drop 399 somewhere instead of 400 ...
Please put the spoils back next to the names where they were before, or else make them the first column in the stats. It's not such a big deal to have to scroll to see the rest of the stats, but the spoils are important, especially for escalating. Being able to see them and the map at the same time ...
I think the spoils column should be the leftmost. It's the most important one, especially in escalating games, so it should be the one that's least likely to require scrolling to see. The others you can get a sense of by looking at the board; spoils are the only information that you *need* to see on ...
Don't remove any. Make the "Start A Game" page have two boxes to choose maps from: one box for the most popular 30-40 or so, and a second box for the rest.