Going left to right across the picture I have an SMG squad, command squad, Maxim MG, four rifle squads, a forward observer team, medic and rifleman, mortar team. You can see I paint colors on my bases to distinguish the rifle teams. This helps during play as well as clean up. The angle in these pictures really emphasizes the color, but on the table a lot of times you can't really see it.
Here are a few detail shots. This is the HQ unit. The commander on the left is a PSC model and next to him is a Command Decision model. You can see the PSC are slightly smaller, but otherwise scale well together.
This Maxim MG crew is a Command Decision model. I split a pack of these with a friend, and I still have close to three or so MG teams left over. I only really need one for platoon sized games.