www.tech-supplies.co.uk
I got my original 28x1 project board and some components from here.
www.rapidonline.co.uk
Everything else I get from here.... :)
www.lis.inpg.fr/realise_au_lis/kicad/
Kicad is an excellent schematic designer, it might not be the easiest to use but I find it invaluable.