Un4Seen:
Also, do you think this power supply is good enough?
http://www.ebay.com/itm/5V-2A-DC-2-5mm-EU-Plug-Power-Supply-Adapter-Converter-Chager-for-Tablet-PC-/190705402077?pt=US_Server_Power_Supplies&hash=item2c66ed80dd
It doesn't say that it's regulated, I don't know if that matters or not...
It says it recognises a fully-charged battery and switches to a save mode, which is not what you want.
Un4Seen:
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"...
Switching power supplies are always regulated.