Here are some useful links that may help :
AbilityNet
A national charity helping disabled adults and children use computers
and the internet by adapting and adjusting their technology.
Adroit Technology
We've dealt with Adroit as our main suppliers for at least ten years and they have provided many computer systems for our customers. We've always found these to be extremely reliable, but have always been able to contact Andrew for friendly advice and support when we have needed it.
British Dyslexia Association
Dragon Naturally Speaking
RSI
The RSI Awareness website - essential information