Ok, so I'm going to start a server but I'm going to build the tower. I want 50 - 80 players. dual-core i3 processor 2GB of ddr3 450 GB harddrive what do i need to upgrade on or is this good for running a dedicated server for 50 - 80 players ? also, how can i run just bukkit on my computer ? i will be using ubuntu desktop or ubuntu server (because i dont know the difference) thanks.