I agree, i'm not a fan of poke either really, but you can't beat a bit of dish!
From what i remember you went on holiday recently (you posted on here, i'm not a stalker haha!) and it was in that week that they were on Ebay.
Turns out i had saved the link although i'm not sure if they were the sizes you were after?
http://www.ebay.co.uk/itm/2-X-MOTOR-...-/251128813016