Thanks to EB, my interest is piqued. I'm already doing Latin A-level (the joys of reading Livy describing Hannibal's crossing of the Alps) but I hear Greek is much more 'fun' (read: hard).

Thus: is there anywhere online from where I can learn Koine Greek as it was spoken by the Hellenes around this time?

EDIT: Anyone recommend some Latin to read which isn't too hard?