OK, now for a shameless plug for the hometown miniatures company.
This plug has a whole-hearted recommedation to it, I'm happy to say. Sash & Sabre Castings covers a small handful of eras in 25mm, including the Seven Years, Napoleonic, and American Civil wars. Where Sash & Sabre really shines is with their 40mm line, which covers many major periods from Rome to the Zulu Wars.
From personal experience, I can say that the quality is excellent, and when painted, the miniatures look great. If you're looking at building an army for wargaming, Sash & Sabre should be one of your first stops.