Plus those are only 150rpm and rated to 6v. I've been looking at these:

http://www.ebay.co.uk/itm/12V-DC-500...item4ab8b54639

I want to run a spinner on 4s lipo, so I think 12v rated motors will last a little longer than screwdriver motors. I've bought smaller motors from this seller before for antweights and they were pretty good. Took a while to arrive though.