Lovely! I have that same amount of Handgunners too, though I painted them up into three different groups to use as detachments. Have you ever used them in a big block like that? I'm curious as to how effective they would be.
My armies: Empire, Dwarfs, High Elves, Wood Elves, Dark Elves, Lizardmen, Skaven, Tomb Kings, Ogre Kingdoms, Orcs and Goblins, and Skitarii (40K).