Anyone noticed the huge numbers of grinders of various types currently selling..

Repco cylindrical http://www.ebay.com.au/itm/crankshaf...-/331291830523

repco crankshaft http://www.ebay.com.au/itm/crankshaf...-/331291828006

hafo surface cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&item=331292131497

nice big proth surface http://www.graysonline.com/lot/0007-...g-2002-table-s

jotes surface http://www.graysonline.com/lot/0008-...2-table-size-a

just a few years ago grinders were few and far between and expensive...