The following links have proved useful and/or informative:
Africa Wanderer - Steve & Michelle
Africa Total - Mark & Blanca
Biker Tony - Tony
Gambada - Nando
African Souls - Rocco
Mozambique Travel Service - Simon & Jennifer
Livingstone 4x4 Hire - John & Kirsten
Reisjemee - Erin & Suzanne
4x4 Global Challenge - Mike & Sam
Adventurous Spirits - Tom & Janet
Raids Sahara - Sonia & Bernard
2 Canadians on Bikes - Ruby & Mike
Adventure - Matt & Phil
Point Kom'un - Arnou & Nadia
Big Sky Adventures
African Way
Under African Skies
PK Overland
Landy round the World
Expedition Overland
Drive Africa
Challenging your dreams
Africa overland
Exfoleyation
Africa 25k
Kusafiri
Camel World
Catch the Pig
enable africa
In and out of Africa
Mantec
Nene Overland
British Expedition Vehicles
Scorpion Racing
AAD Safari
Trek Overland
Foley Specialist Vehicles
Footloose 4x4
Frontrunner (South African)
Hannibal Roof Tents (South African)
Frogs Island 4x4
TBR UK (mail order equipment)
Offroad24.com (new TBR UK website)
Brownchurch
Dunsfold
Famous Four (incl Web Shop)
Anchor supplies (Army surplus)
Lifesystems
Safety devices
Warn
Mastervolt
Off road store
4x4 Parts Master
Expedition exchange (US)
Rebel 4x4 Service tune
Engel fridges
Waeco fridges
TBR UK offroad.com
Mobile storage systems
Lifeline Fire extinguishers
Grand Erg
Paddock Spares (Genuine & Non-genuine Rover parts)
Royal Geographical Society Expedition Advisory Centre
Land Rover experience
Sahara Overland
Wild Tracks
Travel Africa magazine
Trailmasters 4x4 holiday in Morocco
Drive africa rental & buy back (South African)
Get away Africa
Tracks4africa GPS co-ordinates
Horizon unlimited (motorbikes but useful overland research)
Round-the-world Travel Guide
The Africa Guide
allafrica.com
Foreign and Commonwealth Office
Border corssings & Diesel prices
Jungle Runner
GPS Waypoints
Mad Mappers
R J Land Rovers
Beds, Herts & Cambs Land Rover Club
4x4 Web
Scottish Land Rover Owners Club
Internet Land Rover Club
Mansfield 4x4 (Online shop)
I understand there are only two brokers who will provide cover for a vehicle for an Africa trip:
Campbell Irvine (Travel and International Motor)
Alexander Forbes (International Motor)
Round the World Insurance (Travel)
Autoshippers
Mover Max
John Good (Shipping agents)
Revilo Shipping (Shipping agents)
We used Revilo
Sewell of Leeds (Diesel & Electrical)
Satphone.co.uk (Iridium dealer)
Tip: Roof Tents, 12 volt fridges etc are cheaper in Africa as well as more choice
Cymot (South Africa, Botswana and Namibia)
Cape Union Mart (South Africa, Botswana and Namibia)
Vodacom (Part of the Vodafone group)