Thanks, I'll keep an eye out. Probably the 04-158 is the most likely to come across:Juliet - Carbon - Ruby 24-088
Juliet - Polished - VR28 Black 04-158
Mars - X Metal - Emerald 04-106
To add these to the collection would complete all 70 pairs of production X Metals.
http://www.shadestation.co.uk/Oakley-Sunglasses-Juliet-04-158.html
(obviously no longer in stock at the link, before anyone gets too excited)