Thought this might be a usefull thread to have.
This will be for links to sites where components and the other usefull bits are available.
Put up a post with your link and I will edit it into this post:
Capacitor and belt Kits: PM to Dillen
General Electronics parts:
Germany
United Kingdom
www.cpc.co.uk - owned by farnell but sells more domestic/consumer electronic pars/goods.