Getting into #1 spot for downloaded game on XBLA has it’s pros and cons, something that developers should totally do is make more updates, cause there are still some stuff that are missing in the game, and features people are craving for since original release date, not of whole game, but the alpha version, on PC and MAC. 
With Mod Loader for Minecraft being downloaded from our website, we guess people are still playing and buying Minecraft for a long time for sure. What can we do as customers is probably not much, but the support for the original game is not gonna miss from us, since we all bought it and do downloading everything new that comes from the game makers, not only Notch but the other teams to.
Building all kinds of things with block is still addictive, on various server, so on multiplayer and singleplayer, playing alone is fun too.