Quote Originally Posted by retrogamer1990 View Post
if you live in the uk maplins sell them (it took me SO LONG to find them ) here: http://www.maplin.co.uk/Module.aspx?ModuleNo=34373

they are the 100x50x21 ones (slightly smaller but i dont think it makes too much difference. )
Ive been looking for these for ages! You is the man!