Best one I would say is the 2000 series. Supplies like soldering iron, wires, solder, and other stuff can cost up to $15 if you a cheap 15 watt from radioshack and some wire. LEDs are very cheap. They can be bought on ebay for $10 for 50 of them. Cases costs about $16 from dealextreme. Pandora battery can be bought at dealextrem too for $7.