Austria based "Consolero" website have had a chat with a redspotgames spokesman at the GamesCom, the new videogame fair in Cologne, Germany.
According to redspotgames, "Dreamcast has a small but loyal fanbase." Also there might be new commercial indie games on the Dreamcast. "As long as the scene is supporting us and the games are selling, we can bring new [commercial indie games for Dreamcast] on the market. But only a few 100 units less, and we'll lose our shirt on this.
Their latest released game was "Wind and Water: Puzzle Battles", came out November 2008.