Plymouth U3A   

Do you need help finding a reliable second-hand computer?

Computer Recycling Project

Plymouth College of Further Education has some of its used computers
for sale to voluntary and community sector groups.  
This  includes the U3A. 

Models currently available cost £80 with a 3 month guarantee.  
For more information and full specification telephone  (01752) 301531.

If these do not meet your requirement, you could try 
IT For Charities http://www.itforcharities.co.uk/pcs.htm  
for a nationwide list of companies that can supply computers 
at special charity pricing.

Good luck!