Update: Unfortunately the second supplier - http://farnell.com/ - appears to be suffering from an unintentional DOS attack from PI lovers.
RasberryPI have updated their site to state - "Note: both websites are currently experiencing heavy load, and international customers may find that Raspberry Pi is not available yet in their territory. Please be patient, and consider checking back in a few hours' time..."
RasberryPI have updated their site to state - "Note: both websites are currently experiencing heavy load, and international customers may find that Raspberry Pi is not available yet in their territory. Please be patient, and consider checking back in a few hours' time..."