Hi Colin,
Here are a couple of suppliers from SaleHoo, please check them out if you haven't already:
Link hidden: Login to viewLink hidden: Login to viewAnd 2 couple more that have the silicone bakeware you mentioned, please check them out as well:
Link hidden: Login to viewLink hidden: Login to viewI'm not sure where you're based but the last supplier only ships within Australia.
Hope these help. Cheers! :)