Or perhaps a 5V 3A power supply, might be good for future projects which need more juice:
http://www.ebay.com/itm/BRAND-NEW-5V-3A-AC-100-240V-DC-Switching-Power-Supply-Converter-Adapter-EU-Plug-/390494389454?pt=Multipurpose_AC_to_DC_Adapters&hash=item5aeb4784ce
This one says that it's a "Switching power supply"...