My Itinerary

Beginning of April:
Leave Sydney fly to Lima, Peru (via Santiago)
Then to: Cusco, Peru for home stay & Spanish school, 4 weeks. Do the Inca trail & local ruins. Amazon?

End April - End May:
Overland from Peru to Bolivia via Lake Titicaca, Salt flats. From Salt flats overland to Chilli

End May:
Fly Santiago, Chile to Rio, Brazil

End May - End June:
Overland Brazil to Argentina. Maybe to Amazon?. Iguazu Falls

End June:
Fly Buenos Aires to Lisbon, Portugal (4 days in Lisbon)

End June:
Fly Lisbon to Johannesburg.

Beginning July:
Tour overland form Johannesburg to Nairobi including:
South Africa, Zimbabwe, Zambia, Malawi, Tanzania & Kenya.
http://www.acacia-africa.com/overland_eae32.htm

Nairobi to Cairo

Beginning August:
Tour over land from Cairo to Istanbul including:
Egypt, Jordan, Syria & Turkey
http://www.kumuka.co.uk/MEasttour.asp?t=ME7&d=ME7.pdf

Mid September:
Fly Istanbul to Madrid

Mid Sep - Mid Oct:
Overland Spain, Morocco (?), Spain & France

Mid Oct:
Fly Paris to London

I'm planning on spending anywhere from 6 to 12 or even 18 months working in the UK before I continue my travels.

Then the rest of Europe, Russia, Mongolia, China, Nepal & India but don't have a set itinerary for this yet though...