GSM/Mobiles in France

Conclusion of personal market analysis:
Auchan "A-Mobile : Hyperlibre"

Why? simplicity of costs, including reduced international SMS charges.
How? Initially through online listing of options prepaidgsm.net, then individual costing verification based on intended usage.

Now to explore the 9 ADSL options...

Handy links:
Tech Shops : Planète Saturn, www.RueDuCommerce.fr

Sadly, from the experience of family and friends, it would seem that PhoneHouse.fr is not up to scratch in comparison to TheCarPhoneWarehouse.co.uk that I know from my years in UK. The customer service is shoddy.