I`ve just bought one of these on special-offer from Tool Station: quite a reasonable quality unit; 900 watts., 115mm. and delivered to the door for £22.17.
http://www.toolstation.com/shop/Power+Tools/Power+Plus+X+Tools/POWX060+115mm+Grinder+230V/d40/sd3020/p12733
Good stock levels showing for (free) online delivery, but nearest shops to me showed out of stock for counter sale.....`well worth the money.

http://www.toolstation.com/shop/Power+Tools/Power+Plus+X+Tools/POWX060+115mm+Grinder+230V/d40/sd3020/p12733
Good stock levels showing for (free) online delivery, but nearest shops to me showed out of stock for counter sale.....`well worth the money.
