They are on sale at Webb's Garden Store again at just £6.99 with £4.95 postage, so I thought I'd share so everyone can get a chance at a bargain. There may be other offers online, this was just the first hit I got off Google. The set I got was 21 pieces from a company called Lemax. Clearly there's at least two that are just a bit too big, they're the same size as my 40k outpost that got bigger! but great line of sight blockers for a Trygon!
Of course the originals weren't going to fit with my table so I decided to paint them - undercoating them all in Red Oxide primer and then repainting them in shades of yellow.
Although I still have to complete the 2 newer sets here's the finished first set: