Creative. Zen. Stone. Plus. It used to stop at that point, but now it comes with a speaker to go along with its monochrome screen. Check out this review by AnythingButiPod.
And in related news, Epizenter rumours that Creative might come up with a ZEN X-Fi model with supports either touchscreen, Wi-Fi or perhaps even both! Rumours are still rumours unless it's officially confirmed though. We shall be waiting with bated breath.