The British magazine for everyone interested in handspinning
http://www.yarnmaker.co.uk/

The Association of Guilds of Weavers, Spinners and Dyers
http://www.wsd.org.uk/

A Guide to New Zealand Spinning Wheels & their Makers
http://www.nzspinningwheels.info/

Information on drop spindles and wheels and how to use them
http://www.joyofhandspinning.com/

Ravelry is a free site for knitters and crocheters.

WHERE TO BUY SPINNING WHEELS

NEW

ASHFORD DEALERS
http://www.ashforduk.co.uk/dealer_list.php
http://handspinner.co.uk/ashford_spinning_wheels.html

MAJACRAFT DEALERS
http://www.majacraft.co.nz/dealers/dealer_list.php?ID=177

SCHACHT DEALERS (scroll down for UK)
http://www.schachtspindle.com/our%20dealers/our_dealers.php#INT

LOUET DEALERS
http://www.louet.nl/en/great-britain?__option=com_content

KROMSKI DEALERS
www.winghamwoolwork.co.uk

SPINOLUTION DEALERS
http://www.wildfibres.co.uk/html/spinolution_wheels.html

TIMBERTOPS
http://www.woodland-turnery.co.uk/timbertops.html

BAYNES (not in the UK but do export)
http://www.spinning.co.nz/cms/


SECOND HAND EQUIPMENT
http://www.theloomexchange.co.uk/
http://www.ebay.co.uk/
http://handspinner.co.uk/second_hand_spinning_wheels.html

It is worth looking on the dealers websites to see if any have a page for second hand equipment.