anyone know a supplier of reasonalably priced hydraulic pumps and spool valves etc

Try VHS - link below

http://www.hydraulic-components.net/

Based in Sheffield, they cover a large number of manufacturers and will match the parts to your requirements to try give you the best price

Depends what your looking for?

Might want to try Eastern Fluid Power in Great Yarmouth, kinda local to you. We use them a lot at work, can be a bit pricey but they know their stuff.