Maybe someone has posted about this before, but are there any mods that work for version 2.601? I've even downloaded Corsix's Modstudio 0.56 and nothing I edit with it works. Is there something I'm doing wrong with it?
The Mod Studio isn't (and won't ever be) updated to work with game versions after v2.301. To mod on a newer version of CoH there's a lot of hand editing you have to do. Go here Company of Heroes - The Armoury – RelicNews Forums for modding help.
All the major mods out there are updated to v2.601, Cross of Iron, Battle of the Bulge, Eastern Front, Blitzkrieg, etc. come to mind. Go for a walk at ModDB.com and you'll find 'em.