cheap diamond core drills?

ISTR there was mention a few weeks/months back of a source of cheapish dry diamond core drills. Anyone have a reference?
I thought I had it bookmarked or saved, but I can't find it on my system or with Google :-(
-- John Stumbles -+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ -+

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